docs: add linux dist (#116)

* docs: add linux dist

* docs: add caution section

* docs: accept review

* docs: update openwrt available version

* docs: improve installation command hinting

README.md

@@ -16,6 +16,7 @@ Features:
 
 You can download lpac from [GitHub Release][latest], and read [USAGE](docs/USAGE.md) to use it.
 If you can't run it you need to compile by yourself, see also [DEVELOPERS](docs/DEVELOPERS.md).
+If you want to known which Linux distributions include lpac, see also [LINUX-DIST](docs/LINUX-DIST.md).
 If you have any issue, please read [FAQ](docs/FAQ.md) first.
 
 [latest]: https://github.com/estkme-group/lpac/releases/latest

docs/LINUX-DIST.md

@@ -0,0 +1,50 @@
+# Linux distributions
+
+> [!CAUTION]
+>
+> **All Linux distribution packages are unofficially maintained.**
+
+## OpenWrt
+
+> Minimum available release: Snapshot
+> (Added on 2024-05-15)
+
+```shell
+opkg install lpac
+```
+
+see <https://github.com/openwrt/packages/blob/master/utils/lpac/Makefile>
+
+## Alpine
+
+> Minimum available release: [v3.20.0](https://pkgs.alpinelinux.org/packages?name=lpac&branch=v3.20)
+> (Release date: 2024-05-22).
+
+```shell
+pkg install lpac
+```
+
+see <https://github.com/alpinelinux/aports/blob/master/community/lpac/APKBUILD>
+
+## Arch Linux
+
+> Need to enable [archlinuxcn repo](https://github.com/archlinuxcn/repo#readme) first
+
+```shell
+pacman -S lpac
+# or
+pacman -S lpac-git
+```
+
+see <https://github.com/archlinuxcn/repo/blob/master/archlinuxcn/lpac/PKGBUILD> \
+see <https://github.com/archlinuxcn/repo/blob/master/archlinuxcn/lpac-git/PKGBUILD>
+
+## Nix OS
+
+> Need to enable [NUR](https://github.com/nix-community/NUR#readme "Nix User Repository") first
+
+```shell
+nix-env -i lpac
+```
+
+see <https://github.com/nix-community/nur-combined/blob/master/repos/linyinfeng/pkgs/lpac/default.nix>