Update README.md

Author: batubyte

README.md

@@ -1,17 +1,17 @@
 > [!NOTE]
 > Update coming soon
 
-# 🔍 Port Scanner
+## 🔍 Port Scanner
 ![image](https://github.com/user-attachments/assets/3b61f869-c853-47c7-9a06-203e8b82d1fd)
 
-## 📦 Installation
+### 📦 Installation
 ```bash
 pipx install git+https://github.com/batubyte/port-scanner
 ```
 ```bash
 port-scanner
 ```
 
-## 📄 Documentation
+### 📄 Documentation
 * [Nmap Manual](https://nmap.org/book/man.html)
 * [Nmap Scripting Engine](https://nmap.org/nsedoc/scripts)