Replace components with tailwind

[oubiwann]

Tasks:

• [x] First draft (conversion to tailwind)
  • [x] top navbar
  • [x] search
  • [x] downloads
  • [x] tabbed "Feature" carousel
  • [x] "Features" section
  • [x] "Build it with LFE" section
  • [x] "Books" section
  • [x] "Videos" section
  • [x] remaining sections
  • [x] footer
  • [x] components for content pages

[oubiwann]

Here's the branch:

• https://github.com/lfe/lfe.github.io/tree/tailwind-migration

[oubiwann]

Done.

[oubiwann]

Style fine-tuning is getting done in this ticket:

• 116