Update project information (requirements and intallation)
Merge branch 'master' of https://github.com/ExpoTeam/expo
Merge branch 'master' of https://github.com/ExpoTeam/expo
Update README.md
Update README.md
Update README.md
fix create slideshow test
Merge branch 'master' of https://github.com/ExpoTeam/expo
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update schema, add architecture documents
Merge branch 'master' of https://github.com/ExpoTeam/expo