Framework setup

src/allmende_payment_system/app.py

@@ -0,0 +1,12 @@
+# backend/app/main.py
+from fastapi import FastAPI, Request
+from fastapi.templating import Jinja2Templates
+from fastapi.staticfiles import StaticFiles
+
+app = FastAPI()
+templates = Jinja2Templates(directory="src/allmende_payment_system/templates")
+app.mount("/static", StaticFiles(directory="src/allmende_payment_system/static"), name="static")
+
+@app.get("/")
+async def landing_page(request: Request):
+    return templates.TemplateResponse("index.html.jinja", {"request": request})