channels.scm: Move my personal channels to codeberg.

Support links to forgejo forge

Add sakura channel

Add fnat channel

channels.scm: glue: Add introduction field

Add glue channel

Add lguix-channel

Improve colors in HTML interface a bit

Fix limiting number of results in show-symbols procedure

Implement pagination both for html and api interfaces

Improve colors for custom backgrounds

manifest.scm: Add guile and guile-readline

Add umanwizard/guix-tailscale channel

feat(channels.scm): add sijo guix channel

Fix service types index table

WIP Implement "toys package install" command

Fix /api/channels?show=... API-method

Small refactoring

Fix printing channels according to new field names

Fix MediaGoblin channel introduction again

Sorry, I messed up again and added some commits without signatures.

Regards,
Ben