feat(core): Enhance package with detailed documentation and updated npm metadata

package.json

@@ -2,7 +2,7 @@
   "name": "@push.rocks/smartimap",
   "version": "1.0.1",
   "private": false,
-  "description": "stream messages over imap",
+  "description": "A Node.js library for event-driven streaming and parsing of IMAP email messages.",
   "main": "dist_ts/index.js",
   "typings": "dist_ts/index.d.ts",
   "type": "module",
@@ -49,5 +49,20 @@
     "cli.js",
     "npmextra.json",
     "readme.md"
+  ],
+  "keywords": [
+    "imap",
+    "email",
+    "streaming",
+    "mailparser",
+    "email-client",
+    "nodejs",
+    "event-driven",
+    "automation",
+    "message-stream",
+    "filter",
+    "inbox",
+    "connection",
+    "message processing"
   ]
 }