chore: put mistral.ts in its approriate folder and reworked its code a little bit

Author: abhitrueprogrammer

package.json

@@ -10,7 +10,6 @@
     "start": "next start"
   },
   "dependencies": {
-    "@ilovepdf/ilovepdf-nodejs": "^0.2.6",
     "@mistralai/mistralai": "^1.3.5",
     "@radix-ui/react-dialog": "^1.1.2",
     "@radix-ui/react-icons": "^1.3.0",
@@ -26,6 +25,7 @@
     "@react-pdf-viewer/zoom": "^3.12.0",
     "@t3-oss/env-nextjs": "^0.10.1",
     "@types/mongoose": "^5.11.97",
+    "@ungap/with-resolvers": "^0.1.0",
     "@upstash/ratelimit": "^2.0.3",
     "@vercel/analytics": "^1.4.1",
     "@vercel/kv": "^3.0.0",
@@ -52,12 +52,14 @@
     "next-cloudinary": "^6.6.2",
     "next-themes": "^0.3.0",
     "node-fetch": "^3.3.2",
+    "node-poppler": "^7.2.2",
     "nodemailer": "^6.9.13",
     "pdf-compressor": "^1.0.5",
     "pdf-lib": "^1.17.1",
     "pdf.worker": "link:pdfjs-dist/build/pdf.worker",
     "pdf2pic": "^3.1.3",
-    "pdfjs-dist": "^3.4.120",
+    "pdfjs-dist": "3.4.120",
+    "pdftoimg-js": "^0.0.2",
     "react": "^18.3.0",
     "react-camera-pro": "^1.4.0",
     "react-dom": "^18.3.0",