Examine source code of Kanbranch by DevKan

{
  "name": "Kanbranch by DevKan",
  "version": "0.1",
  "description": "Get the right branch name straight to your clipboard.",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "activeTab",
    "clipboardWrite"
  ],
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/logo_16.png",
      "32": "images/logo_32.png",
      "48": "images/logo_48.png",
      "128": "images/logo_128.png"
    }
  },
  "icons": {
    "16": "images/logo_16.png",
    "32": "images/logo_32.png",
    "48": "images/logo_48.png",
    "128": "images/logo_128.png"
  },
  "web_accessible_resources": [
    "images/logo_48.png"
  ],
  "author": "DevKan ltd",
  "content_scripts": [
    {
      "matches": [
        "*://*.atlassian.net/*"
      ],
      "js": [
        "jquery-3.5.1.min.js",
        "content.js"
      ]
    }
  ]
}