renaming backend, cellxgene to server, client respectively

server/app/web/webapp.py

@@ -0,0 +1,24 @@
+from flask import (
+    Blueprint, render_template, url_for, current_app
+)
+
+bp = Blueprint('webapp', __name__, template_folder='templates')
+
+
+@bp.route('/')
+def index():
+    url_base = current_app.config["CXG_API_BASE"]
+    dataset_title = current_app.config["DATASET_TITLE"]
+    return render_template("index.html", prefix=url_base, datasetTitle=dataset_title)
+
+
+# renders swagger documentation
+@bp.route('/swagger')
+def swag():
+    return render_template("swagger.html")
+
+
+# renders swagger documentation
+@bp.route('/favicon.png')
+def favicon():
+    return url_for("static", filename="img/favicon.png")