Added the in app marketplace

main.js

@@ -102,6 +102,15 @@ ipcMain.handle('db:getFavorites', dbHandlers.getFavorites);
 ipcMain.handle('db:addFavorite', dbHandlers.addFavorite);
 ipcMain.handle('db:removeFavorite', dbHandlers.removeFavorite);
 
+ipcMain.handle('api:getInstalledExtensions', apiHandlers.getInstalledExtensions);
+ipcMain.handle('api:installExtension', apiHandlers.installExtension);
+ipcMain.handle('api:uninstallExtension', apiHandlers.uninstallExtension);
+
+ipcMain.on('app:restart', () => {
+    app.relaunch();
+    app.exit();
+});
+
 ipcMain.on('toggle-dev-tools', (event) => {
   event.sender.toggleDevTools();
 });