Update required Unity version and package name

Closes #213

Author: msanatan

README.md

@@ -65,7 +65,7 @@ Unity MCP connects your tools using two components:
 ### Prerequisites
 
   *   **Python:** Version 3.12 or newer. [Download Python](https://www.python.org/downloads/)
-  *   **Unity Hub & Editor:** Version 2020.3 LTS or newer. [Download Unity](https://unity.com/download)
+  *   **Unity Hub & Editor:** Version 2021.3 LTS or newer. [Download Unity](https://unity.com/download)
   *   **uv (Python package manager):**
       ```bash
       pip install uv

UnityMcpBridge/package.json

@@ -1,9 +1,9 @@
 {
   "name": "com.coplaydev.unity-mcp",
   "version": "2.1.1",
-  "displayName": "Unity MCP Bridge",
-  "description": "A bridge that manages and communicates with the sister application, Unity MCP Server, which allows for communications with MCP Clients like Claude Desktop or Cursor.",
-  "unity": "2020.3",
+  "displayName": "Unity MCP",
+  "description": "A bridge that connects an LLM to Unity via the MCP (Model Context Protocol). This allows MCP Clients like Claude Desktop or Cursor to directly control your Unity Editor.",
+  "unity": "2021.3",
   "documentationUrl": "https://github.com/CoplayDev/unity-mcp",
   "licensesUrl": "https://github.com/CoplayDev/unity-mcp/blob/main/LICENSE",
   "dependencies": {