feat: added x-client-ip header to response

Author: joeledwards

lib/server.js

@@ -47,13 +47,16 @@ function server (options = {}) {
     const delay = Number(query.delay) || 0
 
     const respond = () => {
-      res.status(status).json({
-        method,
-        path,
-        headers,
-        query,
-        body
-      })
+      res
+        .append('x-client-ip', req.ip)
+        .status(status)
+        .json({
+          method,
+          path,
+          headers,
+          query,
+          body
+        })
     }
 
     if (delay > 0) {