update documentation

package.json

@@ -2,7 +2,7 @@
   "name": "@design.estate/dees-comms",
   "version": "1.0.24",
   "private": false,
-  "description": "a comms module for communicating within the DOM",
+  "description": "A communications module for enabling DOM-based messaging and synchronization across browser tabs and workers.",
   "main": "dist_ts/index.js",
   "typings": "dist_ts/index.d.ts",
   "type": "module",
@@ -40,5 +40,17 @@
   ],
   "browserslist": [
     "last 1 chrome versions"
+  ],
+  "keywords": [
+    "DOM communication",
+    "message broadcasting",
+    "cross-browser",
+    "cross-tab",
+    "web workers",
+    "typed messages",
+    "TypeScript",
+    "broadcast channel",
+    "client-side messaging",
+    "module"
   ]
-}
+}