Move this entire Java project to JS (browser-based)

## Expected Behavior
JS app

## Actual Behavior
Java app

## Steps to Reproduce the Problem

  1. open cmd or gui

## Specifications

  - YOLO version (check terminal of `About` section): 1.3.5 (8ab075242549b78b095533a2f01456ae165c22fa at 18:04:24 18-09-27 +0200)
  - Platform: any
  - Java version (check `java -version`): any
