docs: 📝 Update README

README.md

@@ -1 +1,10 @@
-# Garfield IP
+# Garfield IP
+Let Garfield give you your public IP address.
+
+This website is made with React and uses the [ipify](https://www.ipify.org/) API to retrieve your public IP address.
+
+## Development
+```bash
+yarn install
+yarn dev
+```