work around markdown issue in sr.ht

Dependencies

• [2] 5F2TVXXZ publish initial draft
• [3] ZLEPKWDJ fork: capture frontend for a note-taking system
• [4] 25V2GA6J taking stock
• [5] D4FEFHQC flesh out Readme
• [*] FS2ITYYH record a known issue

Change contents

• replacement in README.md at line 81
  [3.1142]→[3.1625:1695](∅→∅)
  − This repo is a fork of lines.love at http://akkartik.name/lines.html.
  [3.1142]

  [2.20]
  + This repo is a fork of lines.love at [http://akkartik.name/lines.html](http://akkartik.name/lines.html).