add linux build

.github/workflows/build.yml

@@ -10,7 +10,7 @@ env:
 
 jobs:
   windows:
-    name: "Build SCRCPY+ for Windows"
+    name: "Windows"
     runs-on: windows-latest
     steps:
       - name: Checkout
@@ -29,4 +29,25 @@ jobs:
         uses: actions/upload-artifact@v2
         with:
           name: windows
-          path: electron_dist
+          path: app/electron_dist
+  linux:
+    name: "Linux"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Node.js ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+      - name: Install dependencies
+        run: npm i
+        working-directory: app
+      - name: Build
+        run: export NODE_OPTIONS=--openssl-legacy-provider && npm run electron:build
+        working-directory: app
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: windows
+          path: app/electron_dist