adds system dependencies to build workflow

.github/workflows/node.js.yml

@@ -17,7 +17,6 @@ jobs:
     strategy:
       matrix:
         node-version: [14.x, 15.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
     - uses: actions/checkout@v2
@@ -25,7 +24,11 @@ jobs:
       uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
+    - name: Install system dependencies
+      run: |
+        sudo apt -qq update
+        sudo apt install -y bluetooth bluez libbluetooth-dev libudev-dev
     - run: npm ci
     - run: npm run build --if-present
-    - run: npm lint
+    - run: npm run lint
     - run: npm test