docs: update hero slogan to highlight provider routing

Author: 0xranx

docs/index.md

@@ -3,7 +3,7 @@ layout: home
 
 hero:
   name: GolemBot
-  text: Run Your Coding Agent Everywhere
+  text: Run Your Coding Agent Everywhere — with Any Provider
   tagline: Connect Cursor, Claude Code, OpenCode, or Codex to IM platforms, HTTP APIs, or your own product — with any LLM provider. Compatible with 13,000+ OpenClaw community skills.
   image:
     light: /logo-icon-light.svg

docs/zh/index.md

@@ -3,7 +3,7 @@ layout: home
 
 hero:
   name: GolemBot
-  text: 让你的 Coding Agent 随处运行
+  text: 让你的 Coding Agent 随处运行 — 搭配任意供应商
   tagline: 将 Cursor、Claude Code、OpenCode 或 Codex 接入 IM 平台、HTTP API，或嵌入产品 — 搭配任意 LLM 供应商。兼容 13,000+ OpenClaw 社区技能。
   image:
     light: /logo-icon-light.svg