chore: v2.0.0 — start feature/remote-control branch

Bump to major version 2.0.0: app becomes a managed agent
with optional remote control via WebSocket server.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "srt-streamer",
-  "version": "1.2.0",
+  "version": "2.0.0",
   "description": "Cross-platform SRT multi-stream sender with system tray",
   "main": "electron/main.js",
   "scripts": {
@@ -14,7 +14,8 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "fluent-ffmpeg": "^2.1.3"
+    "fluent-ffmpeg": "^2.1.3",
+    "ws": "^8.20.0"
   },
   "devDependencies": {
     "@vitejs/plugin-react": "^4.3.4",