fixes font texture loading race condition

swap typographers apostrophes for regular quotes

adds readme

resize canvas to fit longest line in non-wrapping mode

cleanup floating keyboard shortcut branch

better handling for square image textures

use word breaking algorithm for wrapping

tweak editor grid scaling

adds dark mode

don't hijack arrow key shortcuts for select elements

base editor scaling on font size

recolour font textures to black when they are imported

remove unused `endCharCode` property

guess the glyph width/height when texture changes

use relative urls for github pages