further cleanup

update docs and tests

.github/workflows/main.yml

@@ -0,0 +1,12 @@
+on: [push]
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        name: 
+        steps:
+            - uses: actions/checkout@v2
+            - name: Build Docker image
+              run: make build
+            - name: Test Docker image
+              run: make test