Refacto Mint component

[zapaz]

Refacto Mint component :

• with yields
  function that produce intermediate results, has to used with yields
• with generic multi-transaction pattern
  manage generic state machine, with popup UI
• no console.log
  console.log only when debugging, console.info to display info or console.error to display errors
• no complex algorithm in svlete components, complexity to be pushed to @lib as much as possible
• [ ]
• group imports by categories / type
  Group imports by category : generic, common kredeum, lib kredeum , svelte kredeum store/helpers, svelte kredeum components, in each group import type on first lines

[zapaz]

done long time ago, mint unification more recently #136