ci: Add Linux Snap Store deployment

.github/workflows/deploy.yml

@@ -4,6 +4,9 @@ on:
   release:
     types: [published]
   workflow_dispatch:
+  push:
+    branches:
+      - ci/linux-deployment  # TEMP: remove after testing
 
 jobs:
   deploy-ios:
@@ -176,6 +179,24 @@ jobs:
       - name: Publish to Microsoft Store
         run: msstore publish . -v -id ${{ secrets.MICROSOFT_STORE_PRODUCT_ID }}
 
+  deploy-linux:
+    name: Build and Deploy Linux
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: snapcore/action-build@v1
+        id: build
+
+      - uses: snapcore/action-publish@v1
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.SNAPCRAFT_STORE_CREDENTIALS }}
+        with:
+          snap: ${{ steps.build.outputs.snap }}
+          release: stable
+
   deploy-web:
     name: Build and Deploy Web
     runs-on: ubuntu-latest

snap/gui/fl-chart-app.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=FL Chart
+Comment=Interactive chart samples built with fl_chart
+Exec=fl-chart-app
+Icon=${SNAP}/meta/gui/fl-chart-app.png
+Terminal=false
+Type=Application
+Categories=Development;

snap/snapcraft.yaml

@@ -0,0 +1,35 @@
+name: fl-chart-app
+version: 1.2.0
+summary: FL Chart - Interactive chart samples
+description: |
+  FL Chart App demonstrates the fl_chart Flutter package with interactive
+  samples of line, bar, pie, scatter, radar, and candlestick charts.
+
+confinement: strict
+base: core22
+grade: stable
+
+slots:
+  dbus-fl-chart-app:
+    interface: dbus
+    bus: session
+    name: dev.flchart.app
+
+apps:
+  fl-chart-app:
+    command: fLChartApp
+    extensions: [gnome]
+    plugs:
+      - network
+    slots:
+      - dbus-fl-chart-app
+
+parts:
+  fl-chart-app:
+    source: .
+    source-subdir: example
+    plugin: flutter
+    flutter-target: lib/main.dart
+    build-packages:
+      - llvm-14
+      - lld-14