Build something in pure Jac FE (LittleX)

[RandiJay96]

[ahzan-dev]

Description

feat: Implement complete-littlex example application with custom hooks

• Added custom hooks for authentication and feed management in customhooks.jac
• Created service functions for user authentication, tweet management, and profile handling in service.jac

[ahzan-dev]

@musab-mah-7 Can u check this

[RandiJay96]

Blocked until we resolve #3382