ci: init build and release script

.github/workflows/ci.yaml

@@ -0,0 +1,52 @@
+name: Node.js CI
+
+on: [push]
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v2
+            - name: Use Node.js
+              uses: actions/setup-node@v1
+              with:
+                  node-version: '12.x'
+            - run: npm install
+            - run: npm run build:prod
+              env:
+                  CI: true
+    release:
+        runs-on: ${{ matrix.os }}
+
+        strategy:
+            matrix:
+                os: [macos-latest, ubuntu-latest, windows-latest]
+
+        steps:
+            - name: Check out Git repository
+              uses: actions/checkout@v1
+
+            - name: Install Node.js, NPM and Yarn
+              uses: actions/setup-node@v1
+              with:
+                  node-version: 10
+
+            - name: Install Snapcraft
+              uses: samuelmeuli/action-snapcraft@v1
+              # Only install Snapcraft on Ubuntu
+              if: startsWith(matrix.os, 'ubuntu')
+              with:
+                  # Log in to Snap Store
+                  snapcraft_token: ${{ secrets.snapcraft_token }}
+
+            - name: Build/release Electron app
+              uses: samuelmeuli/action-electron-builder@v1
+              with:
+                  # GitHub token, automatically provided to the action
+                  # (No need to define this secret in the repo settings)
+                  github_token: ${{ secrets.github_token }}
+
+                  # If the commit is tagged with a version (e.g. "v1.0.0"),
+                  # release the app after building
+                  release: ${{ startsWith(github.ref, 'refs/tags/v') }}