Examine source code of Breeze

{
  "manifest_version": 2,
  "name": "Breeze",
  "version": "1.0",
  "description": "Breeze extension made with React.",
  "icons": {
    "192": "logo192.png",
    "512": "logo512.png"
  },
  "browser_action": {
    "default_icon": "logo192.png",
    "default_title": "Breeze",
    "default_popup": "index.html"
  },
  "devtools_page": "devtools.html",
  "sidebar_action": {
    "default_icon": "logo192.png",
    "default_title": "Breeze",
    "default_panel": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{60504002-1d7a-484e-b34c-ce2221077a07}"
    }
  }
}