Add make github action

Author: kpcyrd

.github/workflows/make.yml

@@ -0,0 +1,20 @@
+name: Makefile CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install dependencies
+      run: sudo apt update && sudo apt install -y asciidoc
+
+    - name: Run make
+      run: make