feat: Integrate VTS functionality and improve emoji response system

- Added VTSList function to read and process Excel file for V.T.S. entries.
- Implemented isVTS function to check if a given date is in the VTS list.
- Updated CreateImage class to conditionally display "with V.T.S." based on VTS status.
- Enhanced NameToEmoji function's prompt for clarity and formatting.
- Added exceljs dependency for Excel file handling.
- Modified playground.ts for testing VTS functionality.

app/playground.ts

@@ -2,8 +2,8 @@
 import { CreateImage } from "./lib/image";
 
 //const YYMMDD = new Date().toISOString().slice(0, 10).replace(/-/g, "").toString();
-const YYMMDD = "20250512"
-console.log(YYMMDD);
+const YYMMDD = "20250509"
+//console.log(YYMMDD);
 
 //Discord("20250509")
 async function run() {
@@ -28,3 +28,15 @@ run();
 
 // 내일이 1일이면 
 //console.log(tomorrow.getDate());
+
+
+/*import { VTSList } from "./lib/vts";
+
+VTSList().then(results => {
+  if (results.length > 0) {
+    console.log("\n5번째 행의 노란색 셀 내용 리스트:");
+    results.forEach(value => console.log(value));
+  } else {
+    console.log("\n5번째 행에서 노란색 배경의 셀을 찾지 못했거나, 'V.T.S.' 조건 불충족.");
+  }
+});*/