ci: add build step (#3678)

Description
---
Add build to CI step

Motivation and Context
---
Adds a build step on linux to check that all targets build

.github/workflows/ci.yml

@@ -121,3 +121,51 @@ jobs:
         with:
           command: test
           # args: --release
+  build:
+    name: build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+      - name: Caching
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-${{ runner.cpu-model }}-${{ env.toolchain }}-${{ hashFiles('**/Cargo.lock') }}
+      - name: ubuntu dependencies
+        run: |
+          sudo apt-get update && \
+          sudo apt-get -y install \
+          build-essential \
+          libgtk-3-dev \
+          libwebkit2gtk-4.0-dev \
+          libsoup2.4-dev \
+          curl \
+          wget \
+          libappindicator3-dev \
+          patchelf \
+          librsvg2-dev \
+          libprotobuf-dev \
+          protobuf-compiler
+
+      - name: Compile NPM
+        run: |
+          cd applications/launchpad/gui-vue
+          npm install
+          npm run build
+
+      - name: toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.toolchain }}
+          components: clippy, rustfmt
+          override: true
+
+      - name: cargo build
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --release --all-targets