chore: update package.json description and add keywords (#30)

- update description
- add keywords
- declare engines to node-lts

Author: uiolee

package.json

@@ -1,10 +1,18 @@
 {
   "name": "create-hexo",
   "version": "0.4.0",
-  "description": "Hexo site initializer",
+  "description": "Hexo site initializer. (`npm create hexo`) ",
   "keywords": [
     "hexo",
-    "initializer"
+    "initializer",
+    "npm",
+    "pnpm",
+    "yarn",
+    "script",
+    "cli",
+    "create",
+    "init",
+    "typescript"
   ],
   "homepage": "https://github.com/hexojs/create-hexo",
   "bugs": {
@@ -65,6 +73,6 @@
     "typescript": "^5.7.3"
   },
   "engines": {
-    "node": ">=20"
+    "node-lts": ">=20"
   }
 }