feat: Add Chatwoot Agent Bot prototype and FAQ knowledge base

- Created chatwoot-agent-bot/ with Node.js webhook server
- Bot detects intent (greeting, billing, technical, features, account)
- Auto-responds from FAQ knowledge base or escalates to human
- FAQ-KB.md: Living knowledge base that grows with customer questions
- CHATWOOT-SETUP.md: Complete deployment and configuration guide
- Supports Telegram notifications on escalation
- Bot runs on port 3001, ready for Chatwoot webhook integration

chatwoot-agent-bot/node_modules/axios/lib/helpers/isURLSameOrigin.js

@@ -0,0 +1,16 @@
+import platform from '../platform/index.js';
+
+export default platform.hasStandardBrowserEnv
+  ? ((origin, isMSIE) => (url) => {
+      url = new URL(url, platform.origin);
+
+      return (
+        origin.protocol === url.protocol &&
+        origin.host === url.host &&
+        (isMSIE || origin.port === url.port)
+      );
+    })(
+      new URL(platform.origin),
+      platform.navigator && /(msie|trident)/i.test(platform.navigator.userAgent)
+    )
+  : () => true;