Examine source code of Website Limiter

{
  "manifest_version": 2,
  "name": "Website Limiter",
  "version": "1.2resigned1",
  "description": "Limits visits to given websites.",
  "applications": {
    "gecko": {
      "id": "{9489d7dd-ba5f-4ddc-993a-9a31569fa26a}"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "<all_urls>",
    "storage",
    "webRequest",
    "webRequestBlocking"
  ],
  "web_accessible_resources": [
    "src/views/splash.html",
    "node_modules/typicons.font/*"
  ],
  "browser_action": {
    "default_icon": "icons/icon-32.png",
    "default_title": "Website Limiter",
    "default_popup": "src/views/popup.html"
  },
  "background": {
    "scripts": [
      "src/constants.js",
      "src/utils.js",
      "src/background/limit-reset.js",
      "src/background/visit-tracker.js"
    ]
  }
}