fix: Add makefile and readme

Author: oyvindym

Makefile

@@ -9,3 +9,11 @@ install-frontend:
 	cd frontend && ./install.sh
 
 install: install-backend install-frontend
+
+run-backend:
+	cd backend && ./run.sh
+
+run-frontend:
+	cd frontend && ./run.sh
+
+.DEFAULT_GOAL := install

README.md

@@ -0,0 +1,29 @@
+# Databutton app
+
+This project consists of a FastAPI backend server and a React + TypeScript frontend application exported from Databutton.
+
+## Stack
+
+- React+Typescript frontend with `yarn` as package manager.
+- Python FastAPI server with `uv` as package manager.
+
+## Quickstart
+
+1. Install dependencies:
+
+```bash
+make
+```
+
+2. Start the backend and frontend servers in separate terminals:
+
+```bash
+make run-backend
+make run-frontend
+```
+
+## Gotchas
+
+The backend server runs on port 8000 and the frontend development server runs on port 5173. The frontend Vite server proxies API requests to the backend on port 8000.
+
+Visit <http://localhost:5173> to view the application.