Examine source code of DGG-Unlocked

{
  "manifest_version": 3,
  "name": "DGG-Unlocked",
  "version": "1.1.0",
  "homepage_url": "https://github.com/dawdlestudios/dgg-unlocked",
  "description": "Unlocks all blocked embeds on Destiny.gg",
  "icons": {
    "48": "icons/border-48.png"
  },
  "action": {
    "default_title": "DGG-Unlocked"
  },
  "background": {
    "scripts": [
      "perms.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.destiny.gg/*"
      ],
      "js": [
        "inject.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "dgg.js"
      ],
      "matches": [
        "*://*.destiny.gg/*"
      ]
    }
  ],
  "host_permissions": [
    "*://*.destiny.gg/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{674aed47-75a7-4955-8a74-b03838ea9149}"
    }
  }
}