Examine source code of Linked Jobs Export

{
  "manifest_version": 2,
  "name": "Linked Jobs Export",
  "short_name": "Jobs Export",
  "description": "This extension record jobs details from LinkedIn job search results. Export collected job details to a csv file.",
  "version": "2.0.1",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    },
    "default_title": "Linked Jobs Export",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "linkedinjobs@keralastore.online",
      "strict_min_version": "42.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/*",
        "https://www.linkedin.com/jobs/search/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "tabs",
    "storage"
  ]
}