Add basic github workflows

Author: codepr

.github/workflows/sol.yml

@@ -0,0 +1,24 @@
+name: sol build
+
+on:
+  push:
+    branches: [ main ]
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    branches: [ main ]
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macOS-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: make
+      run: make