SPDX for main branch GitHub Actions workflow

Author: penyuan

.github/workflows/main.yml

@@ -1,6 +1,7 @@
-# This is a basic workflow to help you get started with Actions
+# SPDX-FileCopyrightText: 2021 Pen-Yuan Hsing
+# SPDX-License-Identifier: AGPL-3.0-or-later
 
-name: CI
+name: main-branch-CI
 
 # Controls when the action will run. 
 on:
@@ -16,7 +17,7 @@ on:
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
     # This workflow contains a single job called "build"
-    build:
+    checks:
         # The type of runner that the job will run on
         runs-on: ubuntu-latest