Examine source code of iDissent

{
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{040996e1-89cd-4b0b-86d0-72d5c364af75}"
    }
  },
  "name": "iDissent",
  "version": "1.5.5.2",
  "description": "Read Law Faster",
  "icons": {
    "48": "icons/logo.png"
  },
  "permissions": [
    "https://www.canlii.org/en/*",
    "https://courtingtrouble.ca/*",
    "storage",
    "history",
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.canlii.org/en/*/doc/*"
      ],
      "js": [
        "lib/jquery-3.4.0.slim.min.js",
        "lib/browser-polyfill.min.js",
        "env.js",
        "options_constants.js",
        "bundle0.js"
      ],
      "css": [
        "canlii.css",
        "canlii_history.css",
        "canlii_print.css"
      ]
    },
    {
      "matches": [
        "https://www.canlii.org/en/*"
      ],
      "js": [
        "lib/jquery-3.4.0.slim.min.js",
        "lib/browser-polyfill.min.js",
        "env.js",
        "options_constants.js",
        "bundle1.js"
      ],
      "css": [
        "canlii_history.css"
      ]
    },
    {
      "matches": [
        "https://courtingtrouble.ca/*"
      ],
      "js": [
        "lib/jquery-3.4.0.slim.min.js",
        "lib/browser-polyfill.min.js",
        "env.js",
        "options_constants.js",
        "bundle2.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "fonts/charter_regular.woff2",
    "fonts/charter_bold.woff2",
    "fonts/charter_italic.woff2",
    "fonts/charter_bold_italic.woff2",
    "fonts/charter_license.txt",
    "icons/downarrow.png"
  ],
  "background": {
    "scripts": [
      "lib/browser-polyfill.min.js",
      "env.js",
      "options_constants.js",
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html"
  }
}