Examine source code of TaskCoop Lead Finder

{
  "manifest_version": 3,
  "name": "TaskCoop Lead Finder",
  "version": "0.2.1",
  "description": "Find local task leads on Nextdoor, Facebook Groups, Craigslist, and Reddit — all in one place.",
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "host_permissions": [
    "https://nextdoor.com/*",
    "https://www.facebook.com/*",
    "https://*.craigslist.org/*",
    "https://www.reddit.com/*",
    "https://old.reddit.com/*"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://nextdoor.com/*"
      ],
      "js": [
        "content/common.js",
        "content/nextdoor.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.facebook.com/groups/*"
      ],
      "js": [
        "content/common.js",
        "content/facebook.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://*.craigslist.org/*"
      ],
      "js": [
        "content/craigslist-bridge.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://*.craigslist.org/*"
      ],
      "js": [
        "content/common.js",
        "content/craigslist.js"
      ],
      "run_at": "document_idle",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://www.reddit.com/*",
        "https://old.reddit.com/*"
      ],
      "js": [
        "content/common.js",
        "content/reddit.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "service_worker": "background/service-worker.js",
    "scripts": [
      "background/service-worker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "lead-finder@task.coop",
      "strict_min_version": "109.0"
    }
  }
}