chore(actions): Publish Arch Linux package

.gitea/workflows/release.yaml

@@ -0,0 +1,22 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  archlinux:
+    name: Arch Linux
+    runs-on: ubuntu-latest
+    container:
+      image: archlinux
+      options: --privileged
+    permissions:
+      packages: write
+    steps:
+      - uses: actions/checkout@v6
+      - name: Build Arch Linux package
+        uses: FFY00/build-arch-package@v1
+        with:
+          PKGBUILD: ./PKGBUILD

README.md

@@ -5,6 +5,32 @@ and render jinja templates.
 
 ## Installation
 
+### Arch
+
+First import the verification key:
+
+```bash
+wget https://git.huizinga.dev/api/packages/infra/arch/repository.key -O /tmp/repository.key
+sudo pacman-key --add /tmp/repository.key
+sudo pacman-key --lsign-key $(gpg --show-keys /tmp/repository.key | sed -n 2p)
+```
+
+And add the following to `/etc/pacman.conf`:
+
+```ini
+[infra]
+SigLevel = Required
+Server = https://git.huizinga.dev/api/packages/infra/arch/core/$arch
+```
+
+You can then install `crete` by running:
+
+```bash
+sudo pacman -Sy crete
+```
+
+### Cargo install
+
 Add the following to `~/.cargo.config.toml`:
 
 ```toml