Add Alpine Linux installation instructions (#2871)

CONTRIBUTORS.md

@@ -39,6 +39,7 @@
 - Tobias Krischer (tobikris)
 - Daniil Egortsev (playhardgopro)
 - Anton Loukianov (antonl)
+- fossdd
 
 ## Acknowledgements
 

book/src/installing_client_tools.md

@@ -19,6 +19,7 @@ Kanidm currently is packaged for the following systems:
 - Fedora 38
 - NixOS
 - Ubuntu
+- Alpine Linux
 
 The `kanidm` client has been built and tested from Windows, but is not (yet) packaged routinely.
 
@@ -92,6 +93,16 @@ dnf install kanidm-clients
 
 See <https://kanidm.github.io/kanidm_ppa/> for nightly-built packages of the current development builds, and how to install them.
 
+## Alpine Linux
+
+Kanidm is available in the [Alpine Linux testing repository](https://pkgs.alpinelinux.org/packages?name=kanidm%2A).
+
+To install the Kanidm client use:
+
+```bash
+apk add kanidm-clients
+```
+
 ## Tools Container
 
 In some cases if your distribution does not have native kanidm-client support, and you can't access

book/src/packaging/community_packages.md

@@ -6,3 +6,4 @@ not officially supported and may not function identically.
 - [Arch Linux](https://aur.archlinux.org/packages?O=0&K=kanidm)
 - [OpenSUSE](https://software.opensuse.org/search?baseproject=ALL&q=kanidm)
 - [NixOS](https://search.nixos.org/packages?sort=relevance&type=packages&query=kanidm)
+- [Alpine Linux](https://pkgs.alpinelinux.org/packages?name=kanidm%2A)