✨ Add ESPHome config check to CI (#41)

.github/workflows/home-assistant.yml

@@ -79,3 +79,26 @@ jobs:
         uses: "docker://homeassistant/home-assistant:dev"
         with:
           args: python -m homeassistant --config ./config/ --script check_config --info all
+  esphome:
+    runs-on: ubuntu-latest
+    needs: [yamllint]
+    steps:
+      - name: Getting your configuration from GitHub
+        uses: actions/checkout@v1
+      - name: Checking out code from GitHub
+        uses: actions/checkout@v1
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools wheel
+          pip install esphome
+          pip list
+          esphome version
+      - name: Copy stub files into configuration folder
+        run: cp -R ./.stubs/* ./config/esphome/
+      - name: Run esphome on all files
+        run: |
+          for file in $(find ./config/esphome -type f -name "*.yaml" -not -name "secrets.yaml"); do esphome "${file}" config; done