feat: Implement Electron frontend project setup, configure AI permissions, and establish Gitea CI/CD for app releases.

Frontend/Electron/package.json

@@ -50,7 +50,27 @@
     },
     "linux": {
       "target": [
-        "AppImage"
+        "AppImage",
+        "flatpak"
+      ],
+      "category": "Network;InstantMessaging"
+    },
+    "flatpak": {
+      "runtime": "org.freedesktop.Platform",
+      "runtimeVersion": "23.08",
+      "sdk": "org.freedesktop.Sdk",
+      "base": "org.electronjs.Electron2.BaseApp",
+      "baseVersion": "23.08",
+      "finishArgs": [
+        "--share=ipc",
+        "--share=network",
+        "--socket=x11",
+        "--socket=wayland",
+        "--socket=pulseaudio",
+        "--device=dri",
+        "--device=all",
+        "--filesystem=home",
+        "--talk-name=org.freedesktop.Notifications"
       ]
     },
     "nsis": {