Update and rename main.yml to mkdocs.yml

.github/workflows/main.yml → .github/workflows/mkdocs.yml

@@ -10,7 +10,7 @@ jobs:
     name: Deploy docs
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout main
+      - name: Checkout dev
         uses: actions/checkout@v2
 
       - name: Deploy docs