Examine source code of Broom & Bloom

{
  "manifest_version": 3,
  "name": "Broom & Bloom",
  "version": "1.1",
  "description": "Clean YOUR internet. Sweep what bugs you. Grow a garden where it used to be.",
  "browser_specific_settings": {
    "gecko": {
      "id": "broom@yagoarconada.com",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_title": "Broom",
    "default_icon": {
      "16": "broom-icon-16.png",
      "32": "broom-icon-32.png",
      "48": "broom-icon-48.png",
      "128": "broom-icon-128.png"
    }
  },
  "icons": {
    "16": "broom-icon-16.png",
    "32": "broom-icon-32.png",
    "48": "broom-icon-48.png",
    "128": "broom-icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/plants.js",
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "magic-swoosh.m4a",
        "pop.mp3",
        "move-pot.m4a"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}