* Install PrimeNg
 * Install MomentJS
 * Add user control for dates
 * Add user control for file dropping
 * Add progress spinner component
 * Add form for creating new statements
 * Add store module for statements and statement types
 * Include API calls to backend

[TOB-164] test: Increase test coverage for utility functions

 * Use barrel files for imports
 * Add tests for utility functions

Signed-off-by: Christopher Keim <keim@develop-group.de>