feat: Desktop app - Build and Distribution

[Nishchit14]

The desktop app build and distribution would include the following checklist

• [x] Platform-specific icon packs need to be prepared
• [ ] #148
• [x] Build and Publish
  • [x] Mac
    • [x] Code Signing certificate
    • [x] Notarise the application
    • [x] Apple Silicon (M1/M2)
    • [x] Apple Intel
  • [ ] Windows
    • [ ] Code Signing certificate
    • [ ] NSIS
  • [ ] Linux
  • [ ] AppImage
  • [ ] Snap

[bathini79]

Where is desktop application?