docs(readme): add Discord community badge (#27)

Author: Arman-Luthra

README.md

@@ -7,7 +7,7 @@
 
 Stealth Chromium engine
 
-[![Chromium](https://img.shields.io/badge/chromium-151.0.7908.0-4285F4?logo=googlechrome&logoColor=white)](CHROMIUM_VERSION) [![pip](https://img.shields.io/badge/pip-3776AB?logo=pypi&logoColor=white)](https://pypi.org/project/tilion-fortress/) [![npm](https://img.shields.io/badge/npm-CB3837?logo=npm&logoColor=white)](https://www.npmjs.com/package/tilion-fortress) [![Docker pulls](https://img.shields.io/docker/pulls/tilion/fortress?logo=docker&logoColor=white&label=pulls)](https://hub.docker.com/r/tilion/fortress)<br/>
+[![Chromium](https://img.shields.io/badge/chromium-151.0.7908.0-4285F4?logo=googlechrome&logoColor=white)](CHROMIUM_VERSION) [![pip](https://img.shields.io/badge/pip-3776AB?logo=pypi&logoColor=white)](https://pypi.org/project/tilion-fortress/) [![npm](https://img.shields.io/badge/npm-CB3837?logo=npm&logoColor=white)](https://www.npmjs.com/package/tilion-fortress) [![Docker pulls](https://img.shields.io/docker/pulls/tilion/fortress?logo=docker&logoColor=white&label=pulls)](https://hub.docker.com/r/tilion/fortress) [![Discord](https://img.shields.io/badge/Discord-join%20the%20community-5865F2?logo=discord&logoColor=white)](https://discord.gg/bfy3fv6QT)<br/>
 [![CreepJS](https://img.shields.io/badge/CreepJS-0%25%20headless-2ea44f)](docs/GAUNTLET_RESULTS.md) [![Runtime.enable leak](https://img.shields.io/badge/Runtime.enable-no%20leak-2ea44f)](docs/GAUNTLET_RESULTS.md)<br/>
 [![Copy for agent](https://img.shields.io/badge/Copy%20for%20agent-24292f?logo=readme&logoColor=white)](https://raw.githubusercontent.com/tiliondev/fortress/main/AGENTS.md) [![llms.txt](https://img.shields.io/badge/llms.txt-24292f?logo=readme&logoColor=white)](https://raw.githubusercontent.com/tiliondev/fortress/main/llms.txt)<br/>
 [![MCP server](https://img.shields.io/badge/MCP-fortress%20·%2029%20tools-6E56CF?logo=modelcontextprotocol&logoColor=white)](mcp/) [![npm tilion-mcp](https://img.shields.io/npm/v/tilion-mcp?logo=npm&logoColor=white&label=npx%20tilion-mcp&color=CB3837)](https://www.npmjs.com/package/tilion-mcp)