docs: add testimonial

Author: steipete

src/data/testimonials.json

@@ -4,6 +4,11 @@
     "author": "Abhay08",
     "url": "https://x.com/Abhay08/status/2010300670730293693"
   },
+  {
+    "quote": "This is the way. Been running clawdbot daily. The plugin architecture changes everything.",
+    "author": "xMikeMickelson",
+    "url": "https://x.com/xMikeMickelson/status/2010440854914453946"
+  },
   {
     "quote": "Took literally 5 mins to set everything up. Started by asking 'what do you need to see my whoop data?'. Now it fetches directly from whoop and gives me updates, summaries.",
     "author": "sharoni_k",