Updated GHA workflow. (#27)

* Updated GHA workflow.
* Added Django and furo theme dependencies. 
* Removed upload workflow steps. Refs #22.

.github/workflows/main.yml

@@ -1,4 +1,4 @@
-name: Build & Upload
+name: Build Docs
 
 on:
   # Trigger on pushes to the main branch only.
@@ -13,23 +13,15 @@ jobs:
   build-and-upload:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: '3.x'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install Sphinx myst-parser
+          pip install Django Sphinx myst-parser furo
+          pip install -e .
       - name: Build docs
         run: make json
         working-directory: ./docs
-      - name: Install SSH key
-        uses: carltongibson/ssh-key-action@v2
-        with:
-          key: ${{ secrets.SSH_KEY }}
-          name: id_rsa # optional
-          known_hosts: ${{ secrets.SSH_KNOWN_HOSTS }}
-      - name: rsync files
-        working-directory: ./docs
-        run: rsync -a -e 'ssh -i ~/.ssh/id_rsa' ./build/json/ ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:${{ secrets.RSYNC_TARGET_PATH }}