docs: add Discord community links to README

README.md

@@ -13,6 +13,19 @@
 [![MCP tool catalog](https://img.shields.io/badge/MCP-tool_catalog-5c4ee5?style=flat-square)](#tool-catalog-for-investigation)
 [![Node.js 22+](https://img.shields.io/badge/Node.js-22.19%2B-339933?style=flat-square&logo=nodedotjs&logoColor=white)](https://nodejs.org/)
 [![MIT license](https://img.shields.io/badge/license-MIT-f4c430?style=flat-square)](LICENSE)
+[![Discord](https://img.shields.io/discord/1556595354999332884?logo=discord&logoColor=white&label=Discord&color=5865F2)](https://discord.gg/GkcryMnJDM)
+
+<table aria-label="REA community">
+<tr>
+<td align="center" width="360">
+  <a href="https://discord.gg/GkcryMnJDM">
+    <img src="docs/assets/discord.svg" height="42" alt="Discord" /><br />
+    <strong>Community</strong>
+  </a><br />
+  <sub>Discord · Q&amp;A · Show and Tell</sub>
+</td>
+</tr>
+</table>
 
 [Quick start](#quick-start) · [Current status](#current-status) · [Investigation model](#the-investigation-model) · [Tool catalog](#tool-catalog-for-investigation) · [Roadmap](#roadmap) · [How it works](#how-it-works)
 

docs/assets/discord.svg

@@ -0,0 +1,4 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+  <title>Discord</title>
+  <path fill="#5865F2" d="M20.317 4.3698a19.7913 19.7913 0 0 0-4.8851-1.5152.0741.0741 0 0 0-.0785.0371c-.211.3753-.4447.8648-.6083 1.2495-1.8447-.2762-3.68-.2762-5.4868 0-.1636-.3933-.4058-.8742-.6177-1.2495a.077.077 0 0 0-.0785-.037 19.7363 19.7363 0 0 0-4.8852 1.515.0699.0699 0 0 0-.0321.0277C.5334 9.0458-.319 13.5799.0992 18.0578a.0824.0824 0 0 0 .0312.0561c2.0528 1.5076 4.0413 2.4228 5.9929 3.0294a.0777.0777 0 0 0 .0842-.0276c.4616-.6304.8731-1.2952 1.226-1.9942a.076.076 0 0 0-.0416-.1057c-.6528-.2476-1.2743-.5495-1.8722-.8923a.077.077 0 0 1-.0076-.1277c.1258-.0943.2517-.1923.3718-.2914a.0743.0743 0 0 1 .0776-.0105c3.9278 1.7933 8.18 1.7933 12.0614 0a.0739.0739 0 0 1 .0785.0095c.1202.099.246.1981.3728.2924a.077.077 0 0 1-.0066.1276 12.2986 12.2986 0 0 1-1.873.8914.0766.0766 0 0 0-.0407.1067c.3604.698.7719 1.3628 1.225 1.9932a.076.076 0 0 0 .0842.0286c1.961-.6067 3.9495-1.5219 6.0023-3.0294a.077.077 0 0 0 .0313-.0552c.5004-5.177-.8382-9.6739-3.5485-13.6604a.061.061 0 0 0-.0312-.0286ZM8.02 15.3312c-1.1825 0-2.1569-1.0857-2.1569-2.419 0-1.3332.9555-2.4189 2.157-2.4189 1.2108 0 2.1757 1.0952 2.1568 2.419 0 1.3332-.9555 2.4189-2.1569 2.4189Zm7.9748 0c-1.1825 0-2.1569-1.0857-2.1569-2.419 0-1.3332.9554-2.4189 2.1569-2.4189 1.2108 0 2.1757 1.0952 2.1568 2.419 0 1.3332-.946 2.4189-2.1568 2.4189Z"/>
+</svg>