Add GitHub Actions config

This config should auto-publish a new release when a tag is pushed, and name it the same as the tag is named.

Only way to test it is to try it!

Author: jeffbyrnes

.github/workflows/main.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  tags:
+  - *
+  paths:
+  - Package Managers.alfredworkflow
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@master
+    - name: Rename Alfred Workflow
+      run: mv "Package Managers.alfredworkflow" Package.Managers.alfredworkflow
+    - name: Create GitHub Release
+      uses: elgohr/Github-Release-Action@1.1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        args: ${{ github.ref }}
+      needs: Rename Alfred Workflow
+    - name: GitHub Upload Release Artifacts
+      uses: Roang-zero1/github-upload-release-artifacts-action@v2.0.0
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        args:
+        - Package.Managers.alfredworkflow
+      needs: Create GitHub Release