added missing repo info

plugins/dbgate-plugin-cassandra/package.json

@@ -5,6 +5,10 @@
   "license": "GPL-3.0",
   "author": "Jan Prochazka",
   "description": "cassandra connector for DbGate",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/dbgate/dbgate.git"
+  },
   "keywords": [
     "dbgate",
     "cassandra",

plugins/dbgate-plugin-clickhouse/package.json

@@ -14,6 +14,10 @@
     "dist",
     "icon.svg"
   ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/dbgate/dbgate.git"
+  },
   "scripts": {
     "build:frontend": "webpack --config webpack-frontend.config",
     "build:frontend:watch": "webpack  --watch --config webpack-frontend.config",

plugins/dbgate-plugin-oracle/package.json

@@ -7,7 +7,7 @@
   "homepage": "https://dbgate.org",
   "repository": {
     "type": "git",
-    "url": "https://github.com/rinie/dbgate-plugin-oracle"
+    "url": "https://github.com/dbgate/dbgate.git"
   },
   "author": "Rinie Kervel",
   "keywords": [