We recommend colocating your stories with your source files, but you can place them wherever you choose. Storybook ui is configurable using an options api that allows you to tweak its appearance globally and for each story. Its a simpler, yet more capable version of react, replacing the need for libraries like jquery. Some people have asked me what are the differences between mithril and angular.
I guess by html that looks like yaml you mean things like haml ruby, shpaml python or jade js. Ive worked with them all but mithril is absolute poetry. This is a very barebones example project using mithril 2. If you are an experienced developer and want to know how mithril compares to other frameworks, see the framework comparison page mithril supports ie11, firefox esr, and the.