April changelog: app documentation, new text component, and many many fixes

Hello Retool community! Posting April's changelog here – a lot of good stuff to cover, including:

  • App READMEs and documentation (so you can explain what you've built)
  • A brand new text component with support for Github-flavored markdown (mmmmmm)
  • Cutting and pasting components between apps

You can read about all the lovely things we've shipped (and bugs we've fixed) here: