fix Index page in KaraDemo
add render & content style
separate HtmlBuilder to TagModel & DefaultHtmlBuilder
remove TagWithText, Tag<*> parameter of TagType, in Deprecated Tag<Any> -> DeprecateTag
add TagWithoutText flag
move Deprecated to kotlin.html package
fix API of HtmlBuilder.appendText()
fix HtmlDocument
fix htmlHead
fix htmlEscape()
add HtmlBuilder.contentTag for AbstractTag
add HtmlBuilder.renderAttrs()
fix missing init Html.tagName
fix Stylesheet
fix HtmlView & FormBuilder
fix build forms