Initial: Flask app with Nubes design, org display

app/routes/main.py

@@ -0,0 +1,18 @@
+"""Главная страница — blueprint."""
+
+from flask import Blueprint, current_app, render_template
+
+from app.api.http_client import HttpClient
+from app.operations.get_instances import get_organization
+
+bp = Blueprint("main", __name__)
+
+
+@bp.route("/")
+def index():
+    client = HttpClient(
+        current_app.config["NUBES_API_ENDPOINT"],
+        current_app.config["NUBES_API_TOKEN"],
+    )
+    org = get_organization(client)
+    return render_template("index.html", organization=org)