new fork for #1

Dependencies

• [2] D4FEFHQC flesh out Readme
• [*] FS2ITYYH record a known issue

Change contents

• edit in README.md at line 130
  [2.1609]

  [2.1609]
  +

  + * https://github.com/akkartik/lines-polygon-experiment -- an experiment that

  + uses separate shortcuts for regular polygons. `ctrl+3` for triangles,

  + `ctrl+4` for squares, etc.