Add repology.org packaging status

Author: archseer

README.md

@@ -55,10 +55,7 @@ it with:
 cargo install --path helix-term --features "embed_runtime"
 ```
 
-## Arch Linux
-There are two packages available from AUR:
- - `helix-bin`: contains prebuilt binary from GitHub releases
- - `helix-git`: builds the master branch of this repository
+[![Packaging status](https://repology.org/badge/vertical-allrepos/helix.svg)](https://repology.org/project/helix/versions)
 
 ## MacOS
 Helix can be installed on MacOS through homebrew via:

book/src/install.md

@@ -2,6 +2,8 @@
 
 We provide pre-built binaries on the [GitHub Releases page](https://github.com/helix-editor/helix/releases).
 
+[![Packaging status](https://repology.org/badge/vertical-allrepos/helix.svg)](https://repology.org/project/helix/versions)
+
 ## OSX
 
 A Homebrew tap is available: