Build the flatpack in github Actions CI

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+on:
+  push:
+  #    branches: [main]
+  pull_request:
+name: CI
+jobs:
+  flatpak:
+    name: "Flatpak"
+    runs-on: ubuntu-24.04
+    container:
+      image: bilelmoussaoui/flatpak-github-actions:gnome-47
+      options: --privileged
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
+        with:
+          bundle: aardvark.flatpak
+          manifest-path: org.p2panda.aardvark.json
+          cache-key: flatpak-builder-${{ github.sha }}
+# The above job will build the application as a flatpack and
+# publish it as an artifact. To test it locally you can download
+# the zip artifact, extract it, install the flatpack and run it.
+# flatpak --user install aardvark.flatpak

org.p2panda.aardvark.json

@@ -1,7 +1,7 @@
 {
     "id" : "org.p2panda.aardvark",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "master",
+    "runtime-version" : "47",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
         "org.freedesktop.Sdk.Extension.rust-stable"
@@ -44,7 +44,7 @@
                 {
                     "type" : "git",
                     "url" : "./",
-                    "branch" : "main"
+                    "branch" : "HEAD"
                 }
             ]
         }