Add text prompt to Ships Tag, Portraits Tag
Add Links to footer images for the Ships, Portrait, and Book tag.  Also add "type, text, here" prompt in each games' input line.
Create British Library Background Link in Book, Portrait, and Ships Tag.  Improve footer links and BL links to open in new tabs.
Merge branch 'game-reskins' of https://github.com/thelonelego/mg-game into thelonelego-game-reskins
Remove unused link styles