Examine source code of IBM Skillsbuild Cheat

{
  "manifest_version": 2,
  "name": "IBM Skillsbuild Cheating Extension",
  "browser_specific_settings": {
    "gecko": {
      "id": "badboy.dhia@gmail.com",
      "strict_min_version": "101.0"
    }
  },
  "description": "IBM SkillsBuild Cheating Extension",
  "version": "1.0",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://bundles.yourlearning.ibm.com/skills/*"
      ],
      "js": [
        "./src/js/getAnswer.js",
        "./src/js/updateExamAnswers.js",
        "./src/js/syncExamData.js",
        "./src/js/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "./src/icons/icon16.png",
    "19": "./src/icons/icon19.png",
    "48": "./src/icons/icon48.png",
    "128": "./src/icons/icon128.png"
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "cookies",
    "storage",
    "http://bundles.yourlearning.ibm.com/*",
    "https://bundles.yourlearning.ibm.com/*",
    "*://localhost/*",
    "*://*.herokuapp.com/*"
  ]
}