Examine source code of Stop Bluishhy

{
  "name": "Stop Bluishhy",
  "version": "1.0.2",
  "author": "A Muslim",
  "manifest_version": 2,
  "description": "Extension to block inappropriate websites and inappropriate contents in websites",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e56e1b08-b3d4-4714-8183-06259d97cde9}"
    }
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "page": "src/html/background-page.html"
  },
  "web_accessible_resources": [
    "src/js/list.js",
    "src/js/main.js"
  ],
  "content_security_policy": "script-src 'self' 'sha256-3Xski35EeNjpRKPDHVRJdMDmP5fVK0uNQZkzXB9mIsE='; object-src 'self'"
}