Examine source code of SYNTEX Privacy Shield

{
  "manifest_version": 3,
  "name": "SYNTEX Privacy Shield",
  "version": "4.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe71c0b9-537a-4d41-b582-9188ac741257}",
      "strict_min_version": "121.0"
    },
    "gecko_android": {
      "strict_min_version": "121.0"
    }
  },
  "description": "Anti-surveillance protection: blocks trackers, strips fingerprinting headers, and obfuscates your browser traffic patterns.",
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "activeTab",
    "alarms",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "page": "background/background.html"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "SYNTEX Privacy Shield"
  },
  "icons": {
    "16": "popup/icons/icon16.png",
    "48": "popup/icons/icon48.png",
    "128": "popup/icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "homepage_url": "https://codeberg.org/SYNTEX/firefox_privacy_shield"
}