Initial commit
code retrieve from https://github.com/dartlangfr/one-hour-codelab/tree/a14n-angular
fix #2 : replace tooltip directive by rock-and-roll
Add instructions skeleton
fix #3 : Write instructions for step 1-blankbadge
Remove Previous link

Remove [< Previous](step-0.md), we don't need it for the first step
Merge pull request #12 from dartlangfr/issue-3

fix #3 : Write instructions for step 1-blankbadge
fix #5 : Write instructions for step 3a-buttonbadge
Ignore intelllij files
Fix #6: Write instructions for step 3b-extractcomponent
Issue #4 : Story 2
merge
Fix markdown
Review of step-2

1. remove empty line before "ul" otherwise the "ol" are always "1."
2. fix syntax highlighter
fix typo in step-3a
fix #13 : Step numbers don't match with the right directories
Update step-2.md

Fix next from step2
Update step-3a.md

Fix next from step 3a
Fix prev/next
Fix #7