demote codeberg.org in the list of mirrors

Dependencies

• [2] 6YWPSNUK new mirror
• [3] D5C2QGQX include a fork
• [4] D4FEFHQC flesh out Readme
• [5] 4OYTC34A include pensieve.love even though it's in development
• [6] KKMFQDR4 editing source code from within the app
• [7] IEHG6ORO new fork for #1
• [8] SBS2F7GR link to export tool
• [*] FS2ITYYH record a known issue

Change contents

• edit in README.md at line 91
  [4.1320]→[4.1320:1363](∅→∅)
  − * https://codeberg.org/akkartik/lines.love
• edit in README.md at line 95
  [2.62]

  [4.1497]
  + * https://codeberg.org/akkartik/lines.love
• replacement in README.md at line 104
  [4.197]→[3.20:97](∅→∅)
  − * https://codeberg.org/akkartik/text.love -- a stripped down version without
  [4.197]

  [3.97]
  + * https://git.sr.ht/~akkartik/text.love -- a stripped down version without