Add ability to build GTK app AppImage (#240)

#238 Add AppImage build support

Implements

- Downgrade to libadwaita 1.3 for wider distro support
- Add build script, workflow, and docs for AppImage
- Add build docs for Debian (apt) and Void Linux
- Building AppImage in CI

docs/GTK_APP.md

@@ -1,22 +1,79 @@
 # Linux GTK App Getting Started
 
+Currently, the GTK App can be built as a binary or as an AppImage.
+Note that the flatpak version can compile but will not run properly!
+
 ## Dependencies
 
 ### Install Build Dependencies
 
 <details>
-  <summary>Fedora</summary>
+  <summary>Debian</summary>
 
-  1. Install build dependencies 
+  > Note: Burrow currently cannot compile on Debian Stable (Bookworm) due to its outdated dependencies
+
+  1. Install build dependencies
 
   ```
-  sudo dnf install clang ninja cmake meson gtk4-devel glib2-devel libadwaita-devel desktop-file-utils libappstream-glib
+  sudo apt install -y clang meson cmake pkg-config libgtk-4-dev libadwaita-1-dev gettext desktop-file-utils
   ```
 
   2. Install flatpak builder (Optional)
 
   ```
-  sudo dnf install flatpak-builder
+  sudo apt install -y flatpak-builder
+  ```
+
+  3. Install AppImage build tools (Optional)
+  
+  ```
+  sudo apt install -y wget fuse file
+  ```
+
+</details>
+
+<details>
+  <summary>Fedora</summary>
+
+  1. Install build dependencies
+
+  ```
+  sudo dnf install -y clang ninja-build cmake meson gtk4-devel glib2-devel libadwaita-devel desktop-file-utils libappstream-glib
+  ```
+
+  2. Install flatpak builder (Optional)
+
+  ```
+  sudo dnf install -y flatpak-builder
+  ```
+
+  3. Install AppImage build tools (Optional)
+  
+  ```
+  sudo dnf install -y util-linux wget fuse fuse-libs file
+  ```
+
+</details>
+
+<details>
+  <summary>Void Linux (glibc)</summary>
+
+  1. Install build dependencies
+
+  ```
+  sudo xbps-install -Sy gcc clang meson cmake pkg-config gtk4-devel gettext desktop-file-utils gtk4-update-icon-cache appstream-glib
+  ```
+
+  2. Install flatpak builder (Optional)
+
+  ```
+  sudo xbps-install -Sy flatpak-builder
+  ```
+
+  3. Install AppImage build tools (Optional)
+  
+  ```
+  sudo xbps-install -Sy wget fuse file
   ```
 
 </details>
@@ -51,10 +108,10 @@ flatpak install --user \
 <details>
   <summary>Flatpak</summary>
 
-  1. Compile and install the flatpak 
+  1. Compile and install the flatpak
 
   ```
-  flatpak-builder 
+  flatpak-builder
       --user --install --force-clean --disable-rofiles-fuse \
       flatpak_debug/ \
       burrow-gtk/build-aux/com.hackclub.burrow.devel.json
@@ -62,6 +119,23 @@ flatpak install --user \
 
 </details>
 
+<details>
+  <summary>AppImage</summary>
+
+  1. Enter the `burrow-gtk`
+
+  ```bash
+  cd burrow-gtk
+  ```
+
+  2. Compile the AppImage
+  
+  ```
+  ./build-aux/build_appimage.sh
+  ```
+
+</details>
+
 
 ## Running
 
@@ -83,3 +157,14 @@ flatpak install --user \
   ```
 
 </details>
+
+<details>
+  <summary>AppImage</summary>
+
+  The compiled binary can be found in `build-appimage/Burrow-*.AppImage`.
+
+  ```
+  ./build-appimage/Burrow-*.AppImage
+  ```
+
+</details>