Replace pgAdmin NW.js container with Electron container. #7494

.gitignore

@@ -9,6 +9,7 @@
 .DS_Store
 .idea
 .vscode
+.sonarlint
 .yarn
 /*.diff
 /*.patch
@@ -38,6 +39,7 @@ runtime/pgAdmin4.app/
 runtime/pgAdmin4.pro.user*
 runtime/pgAdmin4_resource.rc
 runtime/release/
+runtime/dev_config.json
 runtime/ui_BrowserWindow.h
 web/config_local.py
 web/pgadmin/misc/themes/pgadmin.themes.json