Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,18 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        name: Checkout files
+      
+      - uses: jerryjvl/jekyll-build-action@v1
+        name: Build Site