Improve documentation

If the tool should be used going forward, it should be documented appropriately. The readme should at the very least include:

• Descriptions of all components
  • This includes description of available configuration and made assumptions regarding data structure
• Improved/more suitable example images once the tool has become more finalized in its appearance.
• A basic example of how to add new components
  • This needs to include information about how the config Information needs to be structured
• Some reference to how the communication with the redux store works.
  • This should include how the store is organized.