Update README.md

README.md

@@ -1,3 +1,18 @@
 # SlowAPI
 
-A barely working HTTP server
+A barely working HTTP server
+
+```py
+from slow import App, render
+
+app = App()
+
+@app.GET("/")
+def home(request):
+    return render("index.html")
+
+import asyncio
+if __name__ == "__main__":
+    asyncio.run(app.run(host="localhost", port=8080))
+
+```