Update package.json

Adds keywords for each supported chat provider so people can find them more easily

Author: benschwarz

package.json

@@ -22,7 +22,14 @@
   "keywords": [
     "performance",
     "react",
-    "chat"
+    "chat",
+    "helpscout", 
+    "intercom", 
+    "drift", 
+    "chatwoot", 
+    "userlike",
+    "facebook messenger",
+    "messenger"
   ],
   "author": "calibreapp.com",
   "license": "MIT",