browser_development-8.x-1.x-dev/browser_development.routing.yml

browser_development.home:
  path: '/admin/browser-development'
  defaults:
    _controller: '\Drupal\browser_development\Controller\Home::getContent'
    _title: 'Browser Development'
  requirements:
    _permission: 'TRUE'
    
browser_development.settings:    
  path: '/admin/browser-development/settings'
  defaults:
    _form: '\Drupal\browser_development\Form\Settings'
    _title: 'Settings'
  requirements:
    _permission: 'TRUE'    
    
browser_development.editor:    
  path: '/admin/browser-development/editor'
  defaults:
    _controller: '\Drupal\browser_development\Controller\Editor::getContent'
    _title: 'Editor'
  requirements:
    _permission: 'TRUE'
    
browser_development.api:
  path: '/admin/browser-development/api'
  defaults:
     _controller: '\Drupal\browser_development\Controller\Api::getApi'
  methods:  [POST]
  requirements:
    _permission: 'TRUE'