UI changes handoff

CONTRIBUTING.md

@@ -54,11 +54,22 @@ Follow these steps to get your development environment running:
    ```bash
    export FLASK_APP=app.py
    export FLASK_ENV=development
+   export FLASK_TEMPLATES=templates
    flask run
    ```
+
+   **NOTE:** to access the WIP templates, change 
+   ```bash
+   export FLASK_TEMPLATES=templates
+   ```
+   to
+   ```bash
+   export FLASK_TEMPLATES=templates_dev
+   ```
 
    *The app should now be visible at `http://127.0.0.1:5000`.*
 
+
 ------
 
 ## 3. Ways to Contribute