Created member function to create the File, Edit, Tool, Options,
and Help Menus. It is still missing a lot of actions from the later
menu bars that will probably need to add as member items.

Signed-off-by: Corbin Weidner <cweidner3+git@gmail.com>
Added content for toolbars and status bar as well as some slots
for the status bar.

Signed-off-by: Corbin Weidner <cweidner3+git@gmail.com>
Added Slots that pertain to the "File" menu and some of their related
functions.

Signed-off-by: Corbin Weidner <cweidner3+git@gmail.com>