unit test for user views
remove server_url fixture
update README.md
update roadmap
update roadmap of v0.1
add migrate support
migrate init. db version match to product server
Merge pull request #1 from facert/v2

add markdown editor
temp disable markdown editor
reduce sampledata to speed up unit test
draft for main cowork system. to be continued ...
Merge pull request #2 from facert/v2

add some missing static files
merge pr of markdown editor and enable in post_intro page
update roadmap
change cowork models
ctagline do not need to support markdown
tuning post page
show contributor
fix one import error and one email send error