Updated Large app how to (markdown)

Large-app-how-to.md

@@ -231,3 +231,25 @@ The view is where we'll declare our Blueprint. Using url_prefix will prefix ever
         return redirect(url_for('user.home'))
       return render_template("users/register.html", form=form)
 
+## First template
+
+## Settings up the app
+
+Here is the `/app/__init__.py` 
+
+
+    from flask import Flask, render_template                                                                                                                                                                      
+    from flaskext.sqlalchemy import SQLAlchemy
+
+    app = Flask(__name__)
+    app.config.from_object('config')
+
+    db = SQLAlchemy(app)
+
+    @app.errorhandler(404)
+    def not_found(error):
+        return render_template('404.html'), 404
+
+    from app.users.views import mod as usersModule
+
+    app.register_blueprint(usersModule)