Examine source code of Upwork Job Analyzer

{
  "manifest_version": 2,
  "name": "Upwork Job Analyzer",
  "version": "1.0.0",
  "description": "Analyzes Upwork job listings in real-time to help you decide which jobs are worth applying to",
  "permissions": [
    "storage",
    "https://www.upwork.com/*"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.upwork.com/nx/search/jobs*",
        "https://www.upwork.com/nx/find-work*",
        "https://www.upwork.com/jobs/*",
        "https://www.upwork.com/ab/proposals/job/*"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/overlay.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "icons/icon16.svg",
    "48": "icons/icon48.svg",
    "128": "icons/icon128.svg"
  },
  "browser_action": {
    "default_title": "Upwork Job Analyzer Settings"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "upwork-job-analyzer@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}