Create Flatpak Manifest (#105)

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on: [pull_request]
+
+jobs:
+  flatpak:
+    runs-on: ubuntu-latest
+    container:
+      image: bilelmoussaoui/flatpak-github-actions
+      options: --privileged
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Build
+      uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v3
+      with:
+        bundle: nimbus.flatpak
+        manifest-path: com.github.danrabbit.nimbus.yml
+        run-tests: true
+        repository-name: elementary
+        repository-url: https://flatpak.elementary.io/repo.flatpakrepo
+        cache-key: "flatpak-builder-${{ github.sha }}"
+
+  lint:
+    runs-on: ubuntu-latest
+    container:
+      image: valalang/lint
+    steps:
+    - uses: actions/checkout@v2
+    - name: Lint
+      run: io.elementary.vala-lint -d .

com.github.danrabbit.nimbus.yml

@@ -0,0 +1,17 @@
+app-id: com.github.danrabbit.nimbus
+runtime: io.elementary.Platform
+runtime-version: 'daily'
+sdk: io.elementary.Sdk
+command: com.github.danrabbit.nimbus
+finish-args:
+  - '--share=ipc'
+  - '--socket=fallback-x11'
+  - '--socket=wayland'
+
+  - '--metadata=X-DConf=migrate-path=/com/github/danrabbit/nimbus/'
+modules:
+  - name: nimubs
+    buildsystem: meson
+    sources:
+      - type: dir
+        path: .