Examine source code of MIGA. Make Internet Great Again

{
  "manifest_version": 2,
  "name": "MIGA. Make Internet Great Again",
  "version": "1.7",
  "description": "Tired of seeing THAT name? You know who! MIGA saves your brain cells by replacing HIM with something far more entertaining, while keeping the news 100% factual. Add your own nickname, or redact HIM entirely. IYKYK. Your internet, your rules. MIGA!",
  "browser_specific_settings": {
    "gecko": {
      "id": "miga@fuktrump.ca",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}