update stale information

Dependencies

• [2] ZJOSQFN6 bugfix: path munging on Windows
• [3] KQWIMWJ5 deemphasize the terminal in Readme
• [4] D4FEFHQC flesh out Readme
• [5] ZTMRQZSW Readme
• [6] PNBKVYZ4 more cogent onboarding instructions
• [7] KKMFQDR4 editing source code from within the app
• [8] LDFXFRUO bring a few things in sync between run and source
• [9] CZRMAMSB clearer discription of how to run lines.love
• [*] FS2ITYYH record a known issue

Change contents

• replacement in source_edit.lua at line 98
  [3.155031]→[2.11:112](∅→∅)
  − filename = love.filesystem.getUserDirectory()..'/lines.txt', -- '/' should work even on Windows
  [3.155031]

  [3.155096]
  + filename = love.filesystem.getSourceBaseDirectory()..'/lines.txt', -- '/' should work even on Windows
• replacement in README.md at line 23
  [3.223]→[3.223:378](∅→∅)
  − By default, lines.love reads/writes the file `lines.txt` in your default

  − user/home directory (`https://love2d.org/wiki/love.filesystem.getUserDirectory`).
  [3.223]

  [3.378]
  + By default, lines.love reads/writes the file `lines.txt` in a directory

  + specific to this app (https://love2d.org/wiki/love.filesystem.getSourceBaseDirectory).