docs(sponsors): add runapi.co as new sponsor (#1277)

- Insert logo and description between Shengsuanyun and AICodeMirror
  in both README.md and README.zh-CN.md.
- Add assets/sponsors/runapi.jpg (logo supplied by runapi.co).
- Sponsor copy and registration link provided by runapi.co.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

README.md

@@ -86,6 +86,11 @@ MiniMax-M3 pushes the frontier of coding and agentic AI, with a 1M-token context
 <td>Thanks to Shengsuanyun for sponsoring this project! Shengsuanyun is a super factory dedicated to serving AI Native Teams, an industrial-grade AI task parallel execution platform, and a model marketplace that aggregates and supplies computing power from domestic and international LLM and image/video multimedia models such as Claude, Chatgpt, and Gemini. It guarantees no reverse engineering or data manipulation, boasts a 99.7% SLA availability across the entire site, and its <a href="https://watch.shengsuanyun.com/status/shengsuanyun">monitoring interface</a> is consistently green. Furthermore, it offers an enterprise-grade customized gateway for refined cost and access control, featuring intelligent routing, security protection, and BYOK enterprise-provided key hosting. The platform is billed on a pay-as-you-go basis and with a tokens plan (coming soon), and invoices are available. New users who register using <a href="https://www.shengsuanyun.com/?from=CH_67XCLZGS">this link</a> will receive 10 yuan in model power and a 10% bonus on their first deposit.</td>
 </tr>
 
+<tr>
+<td width="150"><a href="https://runapi.co/register?aff=4BXa"><img src="assets/sponsors/runapi.jpg" alt="RunAPI" width="120"></a></td>
+<td>Thanks to RunAPI for sponsoring this project! RunAPI is an efficient and stable API platform—an alternative to OpenRouter. A single API Key gives you access to 150+ leading models, including OpenAI, Claude, Gemini, DeepSeek, Grok, and more, at prices as low as 10% of the original (up to 90% off), with exceptional stability. It's seamlessly compatible with tools like Claude Code, OpenClaw, and others. RunAPI offers an exclusive perk for cc-connect users: register and contact an administrator to claim ¥7 in free credit.</td>
+</tr>
+
 <tr>
 <td width="150"><a href="https://www.aicodemirror.com/register?invitecode=KDHMUP"><img src="assets/sponsors/aicodemirror.jpg" alt="AICodeMirror" width="120"></a></td>
 <td>Thanks to AICodeMirror for sponsoring this project! AICodeMirror provides official high-stability relay services for Claude Code / Codex / Gemini CLI, with enterprise-grade concurrency, fast invoicing, and 24/7 dedicated technical support. Claude Code / Codex / Gemini official channels at 38% / 2% / 9% of original price, with extra discounts on top-ups! AICodeMirror offers special benefits for CC users: register via <a href="https://www.aicodemirror.com/register?invitecode=KDHMUP">this link</a> to enjoy 20% off your first top-up, and enterprise customers can get up to 25% off!</td>

README.zh-CN.md

@@ -86,6 +86,11 @@ MiniMax M3 突破 Coding 与 Agentic AI 前沿，基于 MiniMax Sparse Attention
 <td>感谢胜算云赞助了本项目！胜算云是专为 AI Native Teams 服务的超级工厂，工业级 AI 任务并行执行平台，模型商城集采直供聚合接入了 Claude、Chatgpt、Gemini 等海内外 LLM 及图片视频多媒体模型算力，绝无逆向掺水、全站模型 SLA 可用性高达 99.7%、<a href="https://watch.shengsuanyun.com/status/shengsuanyun">监测接口</a>日常全绿。更有企业级专属定制网关，实现团队精细化成本与权限管控，智能路由+安全防护+BYOK 企业自带密钥托管。平台按量及 tokens plan（即将上线）计费，可开票，使用<a href="https://www.shengsuanyun.com/?from=CH_67XCLZGS">此链接</a>注册新用户可获 10 元模力及首充 10% 赠送。</td>
 </tr>
 
+<tr>
+<td width="150"><a href="https://runapi.co/register?aff=4BXa"><img src="assets/sponsors/runapi.jpg" alt="RunAPI" width="120"></a></td>
+<td>感谢 RunAPI 对本项目的赞助！RunAPI 是高效稳定的API OpenRouter平替平台，一个 API Key 即可访问 OpenAI、Claude、Gemini、DeepSeek、Grok 等 150+ 主流模型，低至 1 折，极其稳定，可以无缝兼容 Claude Code、OpenClaw 等工具。RunAPI 为 cc-connect的用户提供专属福利：注册联系管理员即可领取￥7的免费额度</td>
+</tr>
+
 <tr>
 <td width="150"><a href="https://www.aicodemirror.com/register?invitecode=KDHMUP"><img src="assets/sponsors/aicodemirror.jpg" alt="AICodeMirror" width="120"></a></td>
 <td>感谢 AICodeMirror 对本项目的赞助！AICodeMirror 提供 Claude Code / Codex / Gemini CLI 官方高稳定性中转服务，企业级并发、快速开票、24小时专属技术支持。Claude Code / Codex / Gemini 官方渠道价格仅为原价的 38% / 2% / 9%，充值还有额外折扣！AICodeMirror 为 CC 用户专属福利：通过 <a href="https://www.aicodemirror.com/register?invitecode=KDHMUP">此链接</a> 注册首充享受 20% 折扣，企业客户最高可享 25% 折扣！</td>