More attempts at documentation

Author: Xaymar

.github/workflows/documentation.yml

@@ -28,7 +28,8 @@ jobs:
         submodules: 'recursive'
         fetch-depth: 0
 
-    - name: "Clone Documentation"
+    - name: "Clone Documentation Cache"
+      id: doc_cache
       continue-on-error: true
       uses: actions/checkout@v3      
       with:      
@@ -37,6 +38,17 @@ jobs:
         submodules: 'recursive'
         fetch-depth: 0
 
+    - name: "Initialize Documentation Cache"
+      if: steps.doc_cache.outcome == 'failure'
+      shell: bash
+      run: |
+        mkdir -p build/docs/html
+        pushd build/docs/html
+        git init --bare
+        git switch --orphan documentation
+        git remote add -t documentation origin ${{ github.repositoryUrl }}
+        popd
+
     - name: "Install Prerequisites"
       shell: bash
       run: |