Examine source code of Keyboard ASMR

{
  "manifest_version": 2,
  "name": "exrb",
  "description": "Babby roll is a browser extension that allows you to manage your",
  "version": "711.0.1",
  "browser_action": {
    "default_icon": {
      "32": "icons/icon.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "clipboardRead",
    "tabs"
  ],
  "icons": {
    "32": "icons/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      },
      "id": "{c14ecb69-daf5-4e75-bdd2-abc6a3492468}"
    }
  }
}