Add / to routes

microsoft/vscode-docs#2371

Author: kraigb

hello_app/views.py

@@ -6,15 +6,15 @@
 def home():
     return render_template("home.html")
 
-@app.route("/about")
+@app.route("/about/")
 def about():
     return render_template("about.html")
 
-@app.route("/contact")
+@app.route("/contact/")
 def contact():
     return render_template("contact.html")
 
-@app.route("/hello")
+@app.route("/hello/")
 @app.route("/hello/<name>")
 def hello_there(name = None):
     return render_template(