feat: add 'Close launcher on game start' option and improve app termination behavior (#93)

* update main branch to release/v2.0.2b (#86)

* add more linux pkgs, create auto-release and pre-release feature for Github Actions

* removed package-lock from gitignore

* update .gitignore for local build

* add package-lock.json to maintain stability development

* update version to 2.0.2b also add deps for rpm and arch

* update 2.0.2b: add arm64 support, product and executable name, maintainers; remove snap;

* update 2.0.2b: add latest.yml for win & linux, arm64 support; remove snap

* fix release build naming

* Prepare release v2.0.2b

* feat: add 'Close launcher on game start' option and improve app termination behavior

- Added 'Close launcher on game start' setting in GUI and backend.
- Implemented automatic app quit after game launch if setting is enabled.
- Added Cmd+Q (Mac) and Ctrl+Q/Alt+F4 (Win/Linux) shortcuts to quit the app.
- Updated 'window-close' handler to fully quit the app instead of just closing the window.
- Added i18n support for the new setting in English, Spanish, and Portuguese.

---------

Co-authored-by: Fazri Gading <fazrigading@gmail.com>
Co-authored-by: Arnav Singh <hi.arnavsingh3@gmail.com>

backend/core/config.js

@@ -156,6 +156,15 @@ function loadLanguage() {
   return config.language || 'en';
 }
 
+function saveCloseLauncherOnStart(enabled) {
+  saveConfig({ closeLauncherOnStart: !!enabled });
+}
+
+function loadCloseLauncherOnStart() {
+  const config = loadConfig();
+  return config.closeLauncherOnStart !== undefined ? config.closeLauncherOnStart : false;
+}
+
 function saveModsToConfig(mods) {
   try {
     const config = loadConfig();
@@ -331,5 +340,8 @@ module.exports = {
   resetCurrentUserUuid,
   // GPU Preference exports
   saveGpuPreference,
-  loadGpuPreference
+  loadGpuPreference,
+  // Close Launcher export
+  saveCloseLauncherOnStart,
+  loadCloseLauncherOnStart
 };