add readme.adoc
add Ch4_AdvancedPromises/promise-library.adoc
add promise-chain and promise-done
stage to server
add Ch4_AdvancedPromises/not-throw-use-reject.adoc
add Ch4_AdvancedPromises/promise-sequence.adoc
sync
sync
add resolve-thenable
Merge branch 'ch04' of github.com:liubin0329/promises-book into ch04
update