Start with the Gtk theming

Setup infrastructure and do the welcome page
Configure wait times for moves and clicks
Add icons
Add ICons
Gtk theming
Add a new date picker component
Add media file chooser component
Add a new combobox for teams selection
Add a new API to list starting/bench players
Start with players tagging widget rededign
Start with new projects panel design
Embed the header HBox in an EventBox to allow background theming.
Start adapting the template editors to the new design and layout.
Add more icons for the new design
Rename treeview widgets in the templates views for consistency and start theming them.
Rename eventbox widget to something more suitable.
Use the new icons in the Teams templates panel
Use the color scheme.
Customize the menubar and children menus.
Fix file chooser right button style