Examine source code of Project Manager

{
  "manifest_version": 2,
  "version": "0.1.0",
  "name": "Project Manager",
  "description": "A TODO list for multiple projects with powerful search and tag support",
  "homepage_url": "https://add0n.com/project-manager.html",
  "permissions": [
    "storage",
    "unlimitedStorage"
  ],
  "icons": {
    "16": "/data/icons/16.png",
    "32": "/data/icons/32.png",
    "48": "/data/icons/48.png",
    "64": "/data/icons/64.png",
    "128": "/data/icons/128.png",
    "256": "/data/icons/256.png",
    "512": "/data/icons/512.png"
  },
  "background": {
    "scripts": [
      "/v2/chrome.action.js",
      "worker.js"
    ]
  },
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'",
  "commands": {
    "_execute_browser_action": {}
  },
  "browser_action": {},
  "browser_specific_settings": {
    "gecko": {
      "id": "{ce5eae9b-e226-4496-833d-ff88c00e9aec}"
    }
  }
}