Shop Improvements

Major shop changes:

• Removed the popular carousel
• Made All items the default view and moved categories into a filter
• Improved the Goals and Your Orders sidebar spacing and UI
• Added cumulative and individual goal progress
• Added background progress bars per item and an overall progress bar
• Added estimated time remaining for each goal and a total time estimate
• Added the option to remove the Goals sidebar and show Goals as a top section instead
• Added the option to show or hide Your Orders in the sidebar, or use it as a link

(Longest devlog yet, website coming up next!)