Add a CI build workflow action

Author: mesheets

.github/workflows/OnScreenProgramming_CI.yml

@@ -0,0 +1,24 @@
+name: OnScreenProgramming CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest ]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: apt-get update
+      run: sudo apt-get --assume-yes update
+    - name: install build dependencies
+      run: sudo apt-get --assume-yes install binutils-h8300-hms gcc-h8300-hms
+    - name: make
+      run: make