feat: add initial flatpak/homebrew support

flatpak/com.karmaa.termix.desktop

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+[Desktop Entry]
+Name=Termix
+Comment=Web-based server management platform with SSH terminal, tunneling, and file editing
+Exec=termix %U
+Icon=com.karmaa.termix
+Terminal=false
+Type=Application
+Categories=Development;Network;System;
+Keywords=ssh;terminal;server;management;tunnel;
+StartupWMClass=termix
+StartupNotify=true

flatpak/com.karmaa.termix.metainfo.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>com.karmaa.termix</id>
+  <name>Termix</name>
+  <summary>Web-based server management platform with SSH terminal, tunneling, and file editing</summary>
+
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-3.0-or-later</project_license>
+
+  <developer_name>bugattiguy527</developer_name>
+
+  <description>
+    <p>
+      Termix is an open-source, forever-free, self-hosted all-in-one server management platform.
+      It provides a web-based solution for managing your servers and infrastructure through a single, intuitive interface.
+    </p>
+    <p>Features:</p>
+    <ul>
+      <li>SSH terminal access with full terminal emulation</li>
+      <li>SSH tunneling capabilities for secure port forwarding</li>
+      <li>Remote file management with editor support</li>
+      <li>Server monitoring and management tools</li>
+      <li>Self-hosted solution - keep your data private</li>
+      <li>Modern, intuitive web interface</li>
+    </ul>
+  </description>
+
+  <launchable type="desktop-id">com.karmaa.termix.desktop</launchable>
+
+  <screenshots>
+    <screenshot type="default">
+      <image>https://raw.githubusercontent.com/Termix-SSH/Termix/main/public/screenshots/terminal.png</image>
+      <caption>SSH Terminal Interface</caption>
+    </screenshot>
+  </screenshots>
+
+  <url type="homepage">https://github.com/Termix-SSH/Termix</url>
+  <url type="bugtracker">https://github.com/Termix-SSH/Support/issues</url>
+  <url type="help">https://docs.termix.site</url>
+  <url type="vcs-browser">https://github.com/Termix-SSH/Termix</url>
+
+  <content_rating type="oars-1.1">
+    <content_attribute id="social-info">moderate</content_attribute>
+  </content_rating>
+
+  <releases>
+    <release version="VERSION_PLACEHOLDER" date="DATE_PLACEHOLDER">
+      <description>
+        <p>Latest release of Termix</p>
+      </description>
+      <url>https://github.com/Termix-SSH/Termix/releases</url>
+    </release>
+  </releases>
+
+  <categories>
+    <category>Development</category>
+    <category>Network</category>
+    <category>System</category>
+  </categories>
+
+  <keywords>
+    <keyword>ssh</keyword>
+    <keyword>terminal</keyword>
+    <keyword>server</keyword>
+    <keyword>management</keyword>
+    <keyword>tunnel</keyword>
+    <keyword>file-manager</keyword>
+  </keywords>
+
+  <provides>
+    <binary>termix</binary>
+  </provides>
+
+  <requires>
+    <internet>always</internet>
+  </requires>
+</component>

flatpak/com.karmaa.termix.yml

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+app-id: com.karmaa.termix
+runtime: org.freedesktop.Platform
+runtime-version: '23.08'
+sdk: org.freedesktop.Sdk
+base: org.electronjs.Electron2.BaseApp
+base-version: '23.08'
+command: termix
+separate-locales: false
+
+finish-args:
+  - --socket=x11
+  - --socket=wayland
+  - --socket=pulseaudio
+  - --share=network
+  - --share=ipc
+  - --device=dri
+  - --filesystem=home
+  - --socket=ssh-auth
+  - --talk-name=org.freedesktop.Notifications
+  - --talk-name=org.freedesktop.secrets
+
+modules:
+  - name: termix
+    buildsystem: simple
+    build-commands:
+      - chmod +x termix.AppImage
+      - ./termix.AppImage --appimage-extract
+
+      - install -Dm755 squashfs-root/termix /app/bin/termix
+      - cp -r squashfs-root/resources /app/bin/
+      - cp -r squashfs-root/locales /app/bin/ || true
+
+      - install -Dm644 com.karmaa.termix.desktop /app/share/applications/com.karmaa.termix.desktop
+
+      - install -Dm644 com.karmaa.termix.metainfo.xml /app/share/metainfo/com.karmaa.termix.metainfo.xml
+
+      - install -Dm644 com.karmaa.termix.svg /app/share/icons/hicolor/scalable/apps/com.karmaa.termix.svg
+      - install -Dm644 icon-256.png /app/share/icons/hicolor/256x256/apps/com.karmaa.termix.png || true
+      - install -Dm644 icon-128.png /app/share/icons/hicolor/128x128/apps/com.karmaa.termix.png || true
+
+    sources:
+      - type: file
+        url: https://github.com/Termix-SSH/Termix/releases/download/release-VERSION_PLACEHOLDER-tag/termix_linux_x64_VERSION_PLACEHOLDER_appimage.AppImage
+        sha256: CHECKSUM_X64_PLACEHOLDER
+        dest-filename: termix.AppImage
+        only-arches:
+          - x86_64
+
+      - type: file
+        url: https://github.com/Termix-SSH/Termix/releases/download/release-VERSION_PLACEHOLDER-tag/termix_linux_arm64_VERSION_PLACEHOLDER_appimage.AppImage
+        sha256: CHECKSUM_ARM64_PLACEHOLDER
+        dest-filename: termix.AppImage
+        only-arches:
+          - aarch64
+
+      - type: file
+        path: com.karmaa.termix.desktop
+
+      - type: file
+        path: com.karmaa.termix.metainfo.xml
+
+      - type: file
+        path: com.karmaa.termix.svg
+
+      - type: file
+        path: icon-256.png
+
+      - type: file
+        path: icon-128.png

flatpak/flathub.json

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+{
+  "only-arches": ["x86_64", "aarch64"],
+  "skip-icons-check": false,
+  "skip-appstream-check": false
+}

flatpak/prepare-flatpak.sh

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+#!/bin/bash
+set -e
+
+# This script prepares the Flatpak submission files
+# It should be run from the repository root
+
+VERSION="$1"
+CHECKSUM="$2"
+RELEASE_DATE="$3"
+
+if [ -z "$VERSION" ] || [ -z "$CHECKSUM" ] || [ -z "$RELEASE_DATE" ]; then
+  echo "Usage: $0 <version> <checksum> <release-date>"
+  echo "Example: $0 1.8.0 abc123... 2025-10-26"
+  exit 1
+fi
+
+echo "Preparing Flatpak submission for version $VERSION"
+
+# Copy icon files
+cp public/icon.svg flatpak/com.karmaa.termix.svg
+echo "✓ Copied SVG icon"
+
+# Generate PNG icons if ImageMagick is available
+if command -v convert &> /dev/null; then
+  convert public/icon.png -resize 256x256 flatpak/icon-256.png
+  convert public/icon.png -resize 128x128 flatpak/icon-128.png
+  echo "✓ Generated PNG icons"
+else
+  # Fallback: just copy the original PNG
+  cp public/icon.png flatpak/icon-256.png
+  cp public/icon.png flatpak/icon-128.png
+  echo "⚠ ImageMagick not found, using original icon"
+fi
+
+# Update manifest with version and checksum
+sed -i "s/VERSION_PLACEHOLDER/$VERSION/g" flatpak/com.karmaa.termix.yml
+sed -i "s/CHECKSUM_PLACEHOLDER/$CHECKSUM/g" flatpak/com.karmaa.termix.yml
+echo "✓ Updated manifest with version $VERSION"
+
+# Update metainfo with version and date
+sed -i "s/VERSION_PLACEHOLDER/$VERSION/g" flatpak/com.karmaa.termix.metainfo.xml
+sed -i "s/DATE_PLACEHOLDER/$RELEASE_DATE/g" flatpak/com.karmaa.termix.metainfo.xml
+echo "✓ Updated metainfo with version $VERSION and date $RELEASE_DATE"
+
+echo ""
+echo "✅ Flatpak submission files prepared!"
+echo ""
+echo "Next steps:"
+echo "1. Review the files in the flatpak/ directory"
+echo "2. Fork https://github.com/flathub/flathub"
+echo "3. Create a new branch named 'com.karmaa.termix'"
+echo "4. Copy all files from flatpak/ to the root of your fork"
+echo "5. Commit and push to your fork"
+echo "6. Open a PR to flathub/flathub"