Fix README errors

README.md

@@ -1,60 +1,69 @@
 # Vortex
 
-A free, disposable email service from [Skyfall.](https://skyfall.dino.icu)
+A free, disposable email service from [Skyfall.](https://skyfall.dev)
 
 ![e4494707-0aa6-4c93-aa64-25a0d0c0f7cc-image](https://github.com/SkyfallWasTaken/vortex.email/assets/55807755/96ed167b-5ace-4b25-ae4a-1b4e1053919f)
 
 ## Building
 
 You will need:
+
 - Rust
 - Bun
 - Node.js (to actually run the project)
 
 Additionally, if you want to run the server, we recommend:
+
 - Docker
 - Caddy
 
 ### Building the SMTP server
 
 Run:
+
 ```bash
 cargo b --release
 ```
+
 The server will be located at `/target/debug/vortex-server`.
 
 ### Building the frontend
 
 Run:
+
 ```bash
 cd frontend
 bun run build
 ```
 
 ## Running Vortex
+
 Ensure you've built everything first.
 
-#### In development
+### In development
 
 In one terminal, run:
+
 ```bash
 RUST_LOG=debug cargo run
 ```
+
 Ensure you have permissions to bind to port 25.
 
 In another, run:
+
 ```bash
 cd frontend
 bun dev
 ```
 
-#### In production
+### In production
 
-##### Frontend
+#### Frontend
 
 Run it anywhere, e.g. Vercel. Ensure environment variables are set.
 
-##### Backend
+#### Backend
 
 This assumes that you are using Docker and Caddy.