slightly standardize on app-specific stuff

Dependencies

• [2] M7UODV5H Merge text0
• [3] NEXUNNCF extract a function
• [4] RF5ALVNY allow the window to be resized
• [5] RXNR3U5E Merge text.love
• [6] CE4LZV4T drop last couple of manual tests
• [7] 36Z442IV back to commit 8123959e52f without code editing
• [8] JOPVPUSA editing source code from within the app
• [9] AJB4LFRB try to maintain a reasonable line width
• [10] 2CTN2IEF Merge lines.love
• [11] AVTNUQYR basic test-enabled framework
• [12] YT5P6TO6 bugfix: save previous file when dropping a new one on
• [13] XSLCFVFH .
• [14] UHB4GARJ left/right margin -> left/right coordinates
• [15] KKMFQDR4 editing source code from within the app
• [16] Y5XAFGMW Merge text.love
• [17] YJ6ASFBG yet another fork trying to integrate my live framework with everything else
• [*] OTIBCAUJ love2d scaffold

Change contents

• edit in main.lua at line 60
  [3.41]→[3.41:81](∅→∅)
  − -- TODO: app-specific stuff goes here
• replacement in main.lua at line 62
  [2.12]→[2.12:13](∅→∅)
  −
  [2.12]

  [2.13]
  + -- TODO: app-specific stuff goes here