IDE: Added initial IDE AppController and AppView.
IDE: Added WorkspaceLayoutBuilder.
Removed AppView, we don't need it anymore.
Added .DS_Store file to .gitignore.
Create workspace directly in AppController.
Fixes for layout builder.
Added workspace controller.
Added panel view.
Change view sizes.
Added WorkspaceTabView class.
Added IDEFilesTabView class.
Added IDEEditorTabView class.
Added IDESocialsTabView class.
Switch to tabview classes for workspace in app controller.