envio de constancias pdf, se añadio banner

package.json

@@ -26,24 +26,32 @@
     "@nestjs/jwt": "^10.0.2",
     "@nestjs/passport": "^9.0.3",
     "@nestjs/platform-express": "^9.0.0",
+    "@nestjs/serve-static": "^3.0.1",
     "@nestjs/swagger": "^6.2.1",
     "@nestjs/typeorm": "^9.0.1",
+    "@types/multer": "^1.4.7",
     "bcrypt": "^5.1.0",
+    "blob-stream": "^0.1.3",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "exceljs": "^4.3.0",
     "moment": "^2.29.4",
+    "multer": "^1.4.5-lts.1",
     "mysql2": "^3.1.2",
     "nodemailer": "^6.9.1",
     "passport": "^0.6.0",
     "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
+    "pdf-lib": "^1.17.1",
+    "pdfkit": "^0.13.0",
     "pg": "^8.9.0",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.2.0",
     "swagger-ui-express": "^4.6.1",
     "sybase": "^1.2.3",
-    "typeorm": "^0.3.12"
+    "typeorm": "^0.3.12",
+    "uuid": "^9.0.0",
+    "xlsx": "^0.18.5"
   },
   "devDependencies": {
     "@jridgewell/sourcemap-codec": "^1.4.14",
@@ -61,6 +69,7 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^4.0.0",
     "jest": "29.3.1",
+    "pdfmake": "^0.2.7",
     "prettier": "^2.3.2",
     "source-map-support": "^0.5.20",
     "supertest": "^6.1.3",