Examine source code of Sense Field Formatter

{
  "description": "Sense Field Formatter",
  "manifest_version": 2,
  "name": "Sense Field Formatter",
  "version": "1.7.4",
  "homepage_url": "https://github.com/MichelLalancette/SenseFieldFormatter",
  "icons": {
    "48": "./images/SenseFieldFormatter_48.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": "./images/SenseFieldFormatter_32.png",
    "theme_icons": [
      {
        "light": "./images/SenseFieldFormatter_32.png",
        "dark": "./images/SenseFieldFormatter_32.png",
        "size": 32
      }
    ],
    "default_title": "Qlik Sense Field Formatter",
    "default_popup": "html/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/sense/app/*"
      ],
      "css": [
        "css/content_scripts.css"
      ],
      "js": [
        "js/content_scripts.js",
        "js/shared.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6aeb6e80-a74d-4b83-992b-10bb7e146197}"
    }
  }
}