feat: add lib convert excel to json

Author: masb0ymas

Diff for: package.json

@@ -39,6 +39,7 @@
     "axios": "^0.21.0",
     "bcrypt": "^5.0.0",
     "body-parser": "^1.19.0",
+    "convert-excel-to-json": "^1.7.0",
     "cookie-parser": "^1.4.5",
     "cors": "^2.8.5",
     "date-fns": "^2.16.1",
@@ -87,6 +88,7 @@
     "@babel/runtime": "^7.12.5",
     "@types/bcrypt": "^3.0.0",
     "@types/body-parser": "^1.19.0",
+    "@types/convert-excel-to-json": "^1.7.0",
     "@types/cookie-parser": "^1.4.2",
     "@types/cors": "^2.8.8",
     "@types/dotenv": "^8.2.0",