refactor urls

[rgarcia]

[!IMPORTANT] Refactor URL handling by introducing a centralized urls package, updating templates and handlers to improve maintainability and consistency.

• URL Refactoring:
  • Introduced urls package to centralize URL handling.
  • Replaced hardcoded URLs with urls package references in templates like login.templ, signup.templ, onboarding.templ, and dashboard.templ.
  • Updated handlers in main.go and other files to use urls package for URL rendering.
• Template Changes:
  • Modified Login, SignUpPage, Onboarding, and other templates to use urls package for URL generation.
  • Ensured all form actions and links use the new URL rendering method.
• Code Generation:
  • Regenerated corresponding *_templ.go files to reflect template changes.

^{This description was created by for 41cd710e35fa0a877a0517fac77fa5d01672467c. It will automatically update as commits are pushed.}