installing mkdocs as part of the github workflow

.github/workflows/mkdocs.yml

@@ -21,5 +21,14 @@ jobs:
         with:
           python-version: '3.10'
 
+      - name: Install Requirements
+        run: |
+          sudo apt-get update &&
+          sudo apt-get install pngquant &&
+          pip install mkdocs-material
+
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+
       - name: Build and deploy MkDocs
         run: mkdocs gh-deploy --force