clean builds and add auto-updater

tauri/capabilities/default.json

@@ -3,5 +3,5 @@
     "identifier": "default",
     "description": "Permissions for the main window",
     "windows": ["main"],
-    "permissions": ["core:default"]
+    "permissions": ["core:default", "updater:default", "process:allow-restart"]
 }