Examine source code of pobe bird

{
  "manifest_version": 2,
  "name": "pobe bird",
  "version": "2022.2.14",
  "description": "replaces mentions of phoebe bridgers with pobe bird",
  "icons": {
    "48": "skull.svg",
    "96": "skull.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "pobe.js"
      ]
    }
  ]
}