fix(package.json): add meaningful project description for better clarity (#226)

## Description
This PR fixes the empty description field in the package.json file by
adding a clear, concise project description that accurately represents
the purpose of jargons.dev. This improves project discoverability,
professionalism, and provides immediate context for developers.

## Related Issue
Fixes #213 

## Screenshots/Screencasts
Not applicable, no visual changes made.

## Notes to Reviewer
No new npm packages were added. This is a non-breaking metadata update
to enhance documentation and project clarity.

Author: tanishkapall

package.json

@@ -1,7 +1,7 @@
 {
   "name": "jargons.dev",
   "version": "1.0.0",
-  "description": "",
+  "description": "A community-driven open source dictionary that provides clear, simplified definitions of software engineering concepts, development jargon, and general technology terms",
   "type": "module",
   "scripts": {
     "dev": "astro dev",
@@ -21,7 +21,16 @@
     "ping:qdrant": "node --env-file=.env dev/ping-qdrant-cluster.js",
     "ping:qdrant:ci": "node dev/ping-qdrant-cluster.js"
   },
-  "keywords": [],
+  "keywords": [
+    "dictionary",
+    "software",
+    "engineering",
+    "jargon",
+    "tech-terms",
+    "opensource",
+    "ai",
+    "development"
+  ],
   "author": "",
   "license": "ISC",
   "dependencies": {