docs: bold tagline text

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: cablate

README.md

@@ -12,7 +12,7 @@
   <img src="./assets/banner.webp" alt="MCP Google Maps — AI-Powered Geospatial Tools" width="800">
 </p>
 
-<h3 align="center">Give your AI agent the ability to understand the physical world —<br>geocode, route, search, and reason about locations.</h3>
+<h3 align="center"><b>Give your AI agent the ability to understand the physical world —<br>geocode, route, search, and reason about locations.</b></h3>
 
 <p align="center">
   <b>English</b> | <a href="./README.zh-TW.md">繁體中文</a>

README.zh-TW.md

@@ -12,7 +12,7 @@
   <img src="./assets/banner.webp" alt="MCP Google Maps — AI 驅動的地理空間工具" width="800">
 </p>
 
-<h3 align="center">讓你的 AI 代理理解真實世界 —<br>地理編碼、路線規劃、地點搜尋、空間推理。</h3>
+<h3 align="center"><b>讓你的 AI 代理理解真實世界 —<br>地理編碼、路線規劃、地點搜尋、空間推理。</b></h3>
 
 <p align="center">
   <a href="./README.md">English</a> | <b>繁體中文</b>