use main instead of master in mkdocs action yml

Author: tomsasani

.github/workflows/mkdocs.yaml

@@ -13,12 +13,12 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Deploy docs
-        uses: quinlan-lab/proj-mutator-mapping@master
+        uses: quinlan-lab/proj-mutator-mapping@main
         # Or use mhausenblas/mkdocs-deploy-gh-pages@nomaterial to build without the mkdocs-material theme
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           #CUSTOM_DOMAIN: optionaldomain.com
-          CONFIG_FILE: folder/mkdocs.yml
+          CONFIG_FILE: mkdocs.yml
           #EXTRA_PACKAGES: build-base
           # GITHUB_DOMAIN: github.myenterprise.com
-          REQUIREMENTS: folder/requirements.txt
+          REQUIREMENTS: requirements.txt