Examine source code of Job Tracker

{
  "name": "Job Tracker",
  "version": "1.11.3",
  "manifest_version": 3,
  "description": "Keep track of your jobs on any site",
  "icons": {
    "128": "icon.png"
  },
  "action": {
    "default_popup": "src/popup/index.html"
  },
  "content_scripts": [
    {
      "css": [
        "src/content/builtin/builtin.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/builtin/builtin.js"
      ],
      "matches": [
        "https://builtin.com/*"
      ]
    },
    {
      "css": [
        "src/content/linkedin/linkedin.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/linkedin/linkedin.js"
      ],
      "matches": [
        "https://www.linkedin.com/*"
      ]
    },
    {
      "css": [
        "src/content/glassdoor/glassdoor.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/glassdoor/glassdoor.js"
      ],
      "matches": [
        "https://*.glassdoor.ch/*",
        "https://*.glassdoor.com/*",
        "https://*.glassdoor.fr/*"
      ]
    },
    {
      "css": [
        "src/content/indeed/indeed.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/indeed/indeed.js"
      ],
      "matches": [
        "https://ch.indeed.com/*"
      ]
    },
    {
      "css": [
        "src/content/jobs-ch/jobs-ch.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/jobs-ch/jobs-ch.js"
      ],
      "matches": [
        "https://www.jobs.ch/*",
        "https://jobs.ch/*"
      ]
    },
    {
      "css": [
        "src/content/jobup/jobup.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/jobup/jobup.js"
      ],
      "matches": [
        "https://www.jobup.ch/*"
      ]
    },
    {
      "css": [
        "src/content/swissdevjobs/swissdevjobs.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/swissdevjobs/swissdevjobs.js"
      ],
      "matches": [
        "https://swissdevjobs.ch/*"
      ]
    },
    {
      "css": [
        "src/content/jobscout24/jobscout24.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/jobscout24/jobscout24.js"
      ],
      "matches": [
        "https://www.jobscout24.ch/*"
      ]
    },
    {
      "css": [
        "src/content/jobcourier/jobcourier.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/jobcourier/jobcourier.js"
      ],
      "matches": [
        "https://jobroom.jobcourier.ch/*"
      ]
    },
    {
      "css": [
        "src/content/jobteaser/jobteaser.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/jobteaser/jobteaser.js"
      ],
      "matches": [
        "https://*.jobteaser.com/*"
      ]
    },
    {
      "css": [
        "src/content/job-room/job-room.css",
        "job-tracker.css"
      ],
      "js": [
        "src/content/job-room/job-room.js"
      ],
      "matches": [
        "https://www.job-room.ch/*"
      ]
    }
  ],
  "background": {
    "service_worker": "src/service.js",
    "scripts": [
      "src/service.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "content/basket-shopping.svg"
      ],
      "matches": [
        "https://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "job-tracker@habegger.tech"
    }
  }
}