docs: add ags installation page

docs/ags/installation.md

@@ -0,0 +1,55 @@
+# Installation
+
+## Nix
+
+maintainer: [@Aylur](https://github.com/Aylur)
+
+Read more about it on the [nix page](../getting-started/nix.md)
+
+## Bulding AGS from source
+
+1. [Install Astal](../getting-started/installation.md) if you have not already
+
+2. Install the following dependencies
+
+:::code-group
+
+```sh [Fedora]
+sudo dnf install golang npm gjs
+```
+
+```sh [Arch]
+sudo pacman -Syu go npm gjs
+```
+
+```sh [Alpine]
+sudo apk add go npm gjs
+```
+
+```sh [Ubuntu]
+sudo apt install golang-go npm gjs
+```
+
+```bash [openSUSE]
+sudo zypper install go npm gjs
+```
+
+:::
+
+3. Clone the repo and Install
+
+```bash
+git clone https://github.com/aylur/ags.git
+cd ags
+git checkout v2
+go install
+```
+
+:::info
+If you have installed Astal **not** in `/usr` make sure to set its path.
+
+```sh
+go install -ldflags "-X main.astalGjs=$(pkg-config --variable prefix astal-0.1)/share/astal/gjs"
+```
+
+:::

docs/vitepress.config.ts

@@ -47,6 +47,7 @@ export default defineConfig({
                 base: "/ags",
                 collapsed: false,
                 items: [
+                    { text: 'Installation', link: '/installation' },
                     { text: 'First Widgets', link: '/first-widgets' },
                     { text: 'Theming', link: '/theming' },
                     { text: 'CLI and App', link: '/cli-app' },