feat: add default capabilities configuration and main entry point

src-tauri/capabilities/default.json

@@ -0,0 +1,29 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Default capability for all windows",
+  "windows": ["*"],
+  "platforms": ["linux", "windows", "macOS"],
+  "permissions": [
+    "core:default",
+    "core:webview:allow-internal-toggle-devtools",
+    "opener:default",
+    "opener:allow-open-url",
+    "opener:allow-default-urls",
+    "notification:default",
+    "notification:allow-register-listener",
+    "autostart:default",
+    "updater:default",
+    "updater:allow-check",
+    "updater:allow-download",
+    "updater:allow-download-and-install",
+    "dialog:default",
+    "process:allow-restart",
+    {
+      "identifier": "http:default",
+      "allow": [
+        { "url": "https://api.telegram.org/**" }
+      ]
+    }
+  ]
+}