fix: use dist/index.js as bin entry for bunx compatibility

bunx 실행 시 src/index.ts가 나머지 모듈을 찾지 못하는 문제 수정.
bin과 files를 빌드된 dist/index.js로 변경.

Closes #28

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: say8425

package.json

@@ -11,12 +11,11 @@
 		"typescript": "^5.9.3"
 	},
 	"bin": {
-		"cc-statusline": "src/index.ts"
+		"cc-statusline": "dist/index.js"
 	},
 	"description": "Custom statusline for Claude Code",
 	"files": [
-		"src/index.ts",
-		"src/lib.ts"
+		"dist/index.js"
 	],
 	"publishConfig": {
 		"registry": "https://registry.npmjs.org"