update bollux link

link updated according to the owner's message. the old repo says "NOTE: bollux's development has moved to tildegit.org. The new repo is here: tildegit.org/acdw/bollux".

README.md

@@ -50,7 +50,7 @@ Repo mirrors:
 - [Asuka](https://git.sr.ht/~julienxx/asuka) (Rust) - an NCurses-based Gemini client.
 - [AV-98](https://tildegit.org/solderpunk/AV-98) (Python) - Gemini client derived from the popular VF-1 Gopher client.
 - [AV-98-fork](https://notabug.org/tinyrabbit/AV-98-fork.git) - A fork of AV-98.
-- [bollux](https://sr.ht/~acdw/bollux/) (Bash) - bash Gemini client.
+- [bollux](https://tildegit.org/acdw/bollux) (Bash) - bash Gemini client.
 - [bombadillo](https://rawtext.club/~sloum/bombadillo.html) (Go) - combined Gopher, Gemini, Finger, and File client with vim-inspired key mappings.
 - [cgmnlm](https://codeberg.org/rwa/cgmnlm) (C) - colorful gemini line-mode client, fork of gmni.
 - [diohsc](https://mbays.sdf.org/diohsc/) (Haskell) - simple line-based command-response terminal user interface with ANSI colour.