Initial backend hosting implementation

backend/locales/en/plugin-loader.json

@@ -0,0 +1,13 @@
+{
+  "enabling": "Enabling",
+  "disabling": "Disabling",
+  "decky_update_available": "Update to {{tag_name}} available!",
+  "plugin_update_one": "Updates available for 1 plugin!",
+  "plugin_update_other": "Updates available for {{number}} plugins!",
+  "plugin_uninstall": "Are you sure you want to uninstall {{name}}?",
+  "plugin_load_error": "Error loading plugin {{name}}",
+  "plugin_load_error_toast": "Error loading {{name}}",
+  "error": "Error",
+  "plugin_error_uninstall": "Please go to {{-icon}} in the Decky menu if you need to uninstall this plugin.",
+  "file_picker_cancel_text": "User canceled"
+}