Examine source code of AuthentiSci

{
  "description": "Allows scoring of media articles by the research community",
  "version": "1.0.4",
  "manifest_version": 2,
  "name": "AuthentiSci browser extension",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon-34.png"
  },
  "permissions": [
    "identity",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "https://api.authentisci.d19m.com/*",
    "https://api.authentisci.com/*",
    "https://*.authentisci.com/*",
    "https://authentisci.com/*"
  ],
  "icons": {
    "128": "icon-128.png"
  },
  "background": {
    "scripts": [
      "background.bundle.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>"
      ],
      "js": [
        "contentScript.bundle.js"
      ],
      "css": [
        "content.styles.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "authentisci@gmail.com"
    }
  },
  "web_accessible_resources": [
    "content.styles.css",
    "icon-128.png",
    "icon-34.png"
  ]
}