docs(readme): refresh contributor count and acknowledgements

- MIN_KNOWN_CONTRIBUTORS: 91 → 98 (live GitHub count)
- page.tsx fallback: 91 → 98
- README Thanks section: add 30+ previously unlisted contributors
  whose PRs were merged since April 2026
- Sync contributor list across all three translations (en, zh-CN, ja-JP)

web/lib/github.ts

@@ -1,14 +1,14 @@
 import type { FeedItem, RepoStats } from "./types";
 
-const REPO = process.env.GITHUB_REPO ?? "Hmbown/deepseek-tui";
+const REPO = process.env.GITHUB_REPO ?? "Hmbown/CodeWhale";
 const GH = "https://api.github.com";
-const MIN_KNOWN_CONTRIBUTORS = 91;
+const MIN_KNOWN_CONTRIBUTORS = 98;
 
 function headers(token?: string): HeadersInit {
   const h: Record<string, string> = {
     Accept: "application/vnd.github+json",
     "X-GitHub-Api-Version": "2022-11-28",
-    "User-Agent": "deepseek-tui-web",
+    "User-Agent": "codewhale-web",
   };
   if (token) h.Authorization = `Bearer ${token}`;
   return h;