build(release): version 2.0.0-beta.8

build(release): version 2.0.0-beta.7

release: version 2.0.0-rc.1

release: version 2.0.0-beta.5

release: version 2.0.0-beta.4

release: version 2.0.0-beta.3

release: version 2.0.0-beta.2

Flex-Layout v2.0.0-beta.1 Release

feat(demo): use ace editor for syntax highlighting