tiddler-based user interface

* try to make a minimum set for tiddler-based user interface
* new features to follow after this pull been merged
* might need change below according to folder structure
 * `require("../../TiddlyWiki5/boot/bootprefix.js").bootprefix($tw);`
 * `require("../../TiddlyWiki5/boot/boot.js").TiddlyWiki($tw);`
The style rules should be indented by one tab.