feat: update plugin version to 0.3.0, enhance hooks, and refine skill descriptions

.claude-plugin/plugin.json

@@ -1,10 +1,12 @@
 {
   "name": "code-guide",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Comprehensive programming best-practice guide for all situations — monorepo, standalone, all languages and frameworks",
   "author": {
     "name": "Asep Haryana Saputra",
     "email": "asepharyana@users.noreply.github.com"
   },
-  "keywords": ["best-practice", "clean-code", "engineering-guide", "programming-standards", "architecture"]
+  "keywords": ["best-practice", "clean-code", "engineering-guide", "programming-standards", "architecture"],
+  "skills": "./skills/",
+  "hooks": "./hooks/hooks.json"
 }