tag main prerelease (#22)

Author: westrheim

.github/workflows/cd.yml

@@ -44,6 +44,20 @@ jobs:
         generate_release_notes: true
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Git
+      run: |
+        git config --global user.name "GitHub Actions"
+        git config --global user.email "actions@github.com"
+
+    - name: Create a tag
+      run: |
+        TAG_NAME="prerelease"
+        git tag $TAG_NAME
+        git push -f origin $TAG_NAME
 
   # release:
   #   if: success()