update tsconfig

package.json

@@ -2,7 +2,7 @@
   "name": "@push.rocks/smartsmtp",
   "version": "3.0.3",
   "private": false,
-  "description": "a module for handling smtp stuff",
+  "description": "A module for handling SMTP operations such as sending emails via SMTP or sendmail transport.",
   "main": "dist_ts/index.js",
   "typings": "dist_ts/index.d.ts",
   "type": "module",
@@ -39,5 +39,16 @@
     "cli.js",
     "npmextra.json",
     "readme.md"
+  ],
+  "keywords": [
+    "SMTP",
+    "email",
+    "nodemailer",
+    "sendmail",
+    "smartmail integration",
+    "TypeScript",
+    "email sending",
+    "email templates",
+    "programming"
   ]
 }