New workflow for adding navigation bar (#141)

* Update make.jl for adding Navigation bar

* Update docs/make.jl

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* added navigations bar workflow

* updated workflow

---------

Co-authored-by: Hong Ge <3279477+yebai@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: 3 people

.github/workflows/DocsNav.yml

@@ -0,0 +1,48 @@
+name: Add Navbar
+
+on:
+  workflow_run:
+    workflows: ["Documentation"]  # add workflow names that generates docs in this list like `workflows: ["Docs Workflow", "Previews Workflow]`
+    types:
+      - completed
+  workflow_dispatch:  # Allows manual triggering
+
+jobs:
+  add-navbar:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout gh-pages
+        uses: actions/checkout@v4
+        with:
+          ref: gh-pages
+          fetch-depth: 0
+
+      - name: Download insert_navbar.sh
+        run: |
+          curl -O https://raw.githubusercontent.com/TuringLang/turinglang.github.io/main/assets/scripts/insert_navbar.sh
+          chmod +x insert_navbar.sh
+
+      - name: Update Navbar
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email github-actions[bot]@users.noreply.github.com
+         
+          # Update all HTML files in the current directory (gh-pages root)
+          ./insert_navbar.sh .
+         
+          # Remove the insert_navbar.sh file
+          rm insert_navbar.sh
+         
+          # Check if there are any changes
+          if [[ -n $(git status -s) ]]; then
+            git add .
+            git commit -m "Added navbar and removed insert_navbar.sh"
+            git push "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" gh-pages
+          else
+            echo "No changes to commit"
+          fi