Update README.md

Author: AnderSystems

README.md

@@ -1,2 +1,40 @@
-# UnityModularInputSystem
-A custom input system that uses the simplicity of old Unity Input System and new contents of new Unity Input System.
+# Custom Input System
+
+A custom input system that uses both the new and old Unity input systems.
+
+## Table of Contents
+
+- Installation
+- Usage
+- Contributing
+- License
+
+## Installation
+
+To install this package, follow these steps:
+
+1. Open Unity and go to **Window > Package Manager**.
+2. Click the **+** button and select **Add package from git url** and paste ```https://github.com/AnderSystems/UnityModularInputSystem.git```.
+3. Configure the inputs on **Project Settings > Input System**
+
+## Usage
+
+After installing the package, you can use the custom input system in your project. Here are some examples:
+
+```csharp
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+public class Example : MonoBehaviour
+{
+    void Update()
+    {
+        if (InputSystem.GetButtonDown("Jump"))
+        {
+            Debug.Log("Jump button pressed");
+        }
+
+        Vector2 move = InputSystem.GetAxis("Move");
+        Debug.Log("Move axis: " + move);
+    }
+}