Add playground blueprint

web/app/playground/__init__.py

@@ -0,0 +1,5 @@
+from flask import Blueprint
+
+
+playground = Blueprint('playground', __name__)
+from . import events, views  # noqa

web/app/playground/views.py

@@ -0,0 +1,10 @@
+from flask import render_template
+from flask_login import login_required
+from . import playground
+
+
+@playground.route('/')
+@login_required
+def index():
+    return render_template('playground/index.html.j2',
+                           title='Playground')