Examine source code of alimed

{
  "name": "alimed",
  "version": "1",
  "manifest_version": 2,
  "description": "Full Database for Medical Students & Physicians",
  "icons": {
    "16": "img/logo-16.png",
    "32": "img/logo-32.png",
    "48": "img/logo-48.png",
    "64": "img/logo-64.png",
    "128": "img/logo-128.png"
  },
  "applications": {
    "gecko": {
      "strict_min_version": "55.0",
      "id": "{69db5dad-2022-4a3d-870b-6f71aaa8b3a3}"
    }
  },
  "browser_action": {
    "default_icon": "img/logo.png",
    "default_title": "alimed app"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/jquery-3.1.1.min.js",
        "alimed.js"
      ]
    }
  ],
  "permissions": [
    "*://*.oadoi.org/*",
    "storage"
  ],
  "web_accessible_resources": [
    "alimed.html"
  ]
}