UI: Data import application architecture

Implement basic architecture concept for all layers of data import FE application;

• cascading stylesheets structure
• bundler configuration
• translations
• services layer
• state layer
• components structure

Planned:
modules
features
sub-features
index.jsx
service.js for matchers

Multiple Criteria
Criteria module (+ add criterion, special entity)
Actions module
 sub matches module

Pre-commit results module
Final commit module

(can be changed due to changing requirements)