replace github action with docs version

.github/workflows/publish.yml

@@ -1,5 +1,5 @@
-name: Gatsby Publish
-
+name: Gatsby GHPages Publish
+# NOTE: This is designed to work for a site living in the /docs folder. You'll need to make changes if it is not.
 on:
   push:
     branches:
@@ -28,26 +28,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Detect package manager
-        id: detect-package-manager
-        run: |
-          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
-            echo "manager=yarn" >> $GITHUB_OUTPUT
-            echo "command=install" >> $GITHUB_OUTPUT
-            exit 0
-          elif [ -f "${{ github.workspace }}/package.json" ]; then
-            echo "manager=npm" >> $GITHUB_OUTPUT
-            echo "command=ci" >> $GITHUB_OUTPUT
-            exit 0
-          else
-            echo "Unable to determine package manager"
-            exit 1
-          fi
+
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: "18"
-          cache: ${{ steps.detect-package-manager.outputs.manager }}
+          node-version-file: ./docs/.nvmrc
+          cache-dependency-path: ./docs/package.json
+          cache: yarn
 
       - name: Setup Pages
         id: pages
@@ -62,24 +49,26 @@ jobs:
         uses: actions/cache@v3
         with:
           path: |
-            public
-            .cache
+            ./docs/public
+            ./docs/.cache
           key: ${{ runner.os }}-gatsby-build-${{ hashFiles('public') }}
           restore-keys: |
             ${{ runner.os }}-gatsby-build-
 
       - name: Install dependencies
-        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+        working-directory: ./docs
+        run: yarn install
 
       - name: Build with Gatsby
+        working-directory: ./docs
         env:
           PREFIX_PATHS: 'true'
-        run: ${{ steps.detect-package-manager.outputs.manager }} run build
+        run: yarn run build
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
         with:
-          path: ./public
+          path: ./docs/public
 
   # Deployment job
   deploy: