Examine source code of bruh-ifier

{
  "manifest_version": 2,
  "name": "bruh",
  "version": "1.0",
  "description": "this addon will change almost all the text to bruh ",
  "icons": {
    "48": "bruhs/bruh.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "bruhscript.js"
      ]
    }
  ]
}