Examine source code of Consul to clipboard

{
  "manifest_version": 2,
  "name": "Consul to clipboard",
  "version": "2.0",
  "description": "When using Consul UI, displays a copy-to-clipboard button next to some texts (like IP directions)",
  "icons": {
    "48": "images/consul-logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/main.css"
      ],
      "js": [
        "js/lib/jquery-3.4.1.min.js",
        "js/main.js"
      ]
    }
  ]
}