add minecraft and multimc to arch gaming

arch/gaming.md

@@ -19,6 +19,9 @@
   - [ffmpeg](#ffmpeg)
     - [Intel 11th gen](#intel-11th-gen)
     - [AMD 7900xtx](#amd-7900xtx)
+  - [Minecraft](#minecraft)
+    - [Launcher](#launcher)
+    - [MultiMC](#multimc)
 
 ## Discord
 
@@ -247,3 +250,29 @@ ffmpeg \
 -maxrate 100M \
 output.mp4
 ```
+
+## Minecraft
+
+### Launcher
+
+<https://wiki.archlinux.org/title/minecraft>
+
+```bash
+yay -S minecraft-launcher
+```
+
+### MultiMC
+
+MultiMC allows you to maintain and run multiple installations of minecraft with handy
+shortcuts for installing mod loaders and many more features. It's super easy to install
+on arch.
+
+<https://github.com/MultiMC/multimc-pkgbuild>
+
+```bash
+mkdir /tmp/multimc
+cd /tmp/multimc
+git clone https://github.com/MultiMC/multimc-pkgbuild.git
+cd multimc-pkgbuild
+makepkg -si
+```