adding gh action workflow

.github/workflows/daemon-checks.yml

@@ -0,0 +1,31 @@
+name: Daemon Checks
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-1804
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: Install pipenv
+      run: |
+        python -m pip install --upgrade pip
+        pip install pipenv
+	cd daemon
+	pipenv install --dev
+    - name: isort
+      run: |
+	cd daemon
+        pipenv run isort
+    - name: black
+      run: |
+	cd daemon
+        pipenv run black --exclude ".+_pb2.*.py|doc|build|utm\.py" .
+    - name: flake8
+      run: |
+	cd daemon
+        pipenv run flake8