feat: add testimonials from cnlinkcnlink and ethan_tan

Author: steipete

src/data/testimonials-extra.json

@@ -1,4 +1,14 @@
 [
+  {
+    "quote": "Finally got around to setting up @clawdbot and it is truly the best AI tool at the moment.",
+    "author": "cnlinkcnlink",
+    "url": "https://x.com/cnlinkcnlink/status/2010149031071363355"
+  },
+  {
+    "quote": "clawd is amazing",
+    "author": "ethan_tan",
+    "url": "https://x.com/ethan_tan/status/2010147402963968202"
+  },
   {
     "quote": "Remember when Siri was supposed to be the future? That future exists now - it's just not from Apple or Google. Self-hosted AI that actually remembers things, messages proactively, runs 24/7 on a $5/month server.",
     "author": "velvet_shark",