feat(main): adds main module

app/main/__init__.py

@@ -0,0 +1,4 @@
+from flask import Blueprint
+
+bp = Blueprint('main', __name__)
+from app.main import routes

app/main/routes.py

@@ -0,0 +1,6 @@
+from flask import render_template
+from app.main import bp
+
+@bp.route('/')
+def index():
+    return render_template("index.html")