Add link to blog post

Adds links to blog post and repo

Adds link to repo

Changes question to prompt and restores colors

Adds firebase docs

Adds link to README

Adds test of header color

Adds event handling

Adds step 2 code

Removes code that gets added after stage 1

Updates README

Simplifies slot

Moves error message below form

Merge branch 'master' of github.com:pearlbea/mini-form

Initial commit