Examine source code of Epines

{
  "name": "Epines",
  "description": "L'extension qui vous enlève les épines du pied (et des sites de l'epita)!",
  "version": "1.13",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://intra.forge.epita.fr/*",
        "https://ionisx.com/*",
        "https://courses.ionisx.com/*",
        "http://www.debug-pro.com/*",
        "http://debug-pro.com/*",
        "https://moodle.epita.fr/*",
        "https://past-exams.epidocs.eu/*"
      ],
      "js": [
        "/global/browser-polyfill.js",
        "/global/tools.js",
        "/content/tools.js",
        "/content/intraForge.js",
        "/content/debugPro.js",
        "/content/moodle/openDocInNewTabLinkController.js",
        "/content/moodle/optionalSummaryCourseController.js",
        "/content/moodle/tilesController.js",
        "/content/moodle/bookmarks.js",
        "/content/moodle.js",
        "/content/ionisx.js",
        "/content/epidocs.js",
        "/content/mainContent.js"
      ],
      "css": [
        "/styles/global.css",
        "/styles/epidocs.css",
        "/styles/moodleAdded.css",
        "/styles/moodle.css",
        "/styles/globalAdded.css",
        "/styles/ionisxAdded.css",
        "/styles/debugPro.css",
        "/styles/debugProAdded.css",
        "/styles/ionisx.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "/global/browser-polyfill.js",
      "/background/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "./icons/icon32.png",
    "default_popup": "/popup/popup.html"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "*://www.youtube.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2fc967b-3f27-4998-b8cc-e42074aea0f3}"
    }
  }
}