Examine source code of Jira Link Maker Cloud Edition

{
  "manifest_version": 2,
  "name": "Jira Link Maker Cloud Edition",
  "version": "1.0.4",
  "author": "Junhao Zhang",
  "description": "Generates a nice looking link for Jira tickets containing ticket ID, description and link",
  "icons": {
    "16": "/images/link_to_jira_16.png",
    "32": "/images/link_to_jira_32.png",
    "48": "/images/link_to_jira_48.png",
    "128": "/images/link_to_jira_128.png"
  },
  "permissions": [
    "activeTab",
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "/background/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "/images/link_to_jira_48.png",
    "default_title": "Jira Link Maker Cloud Edition",
    "default_popup": "/popup/popup.html"
  },
  "commands": {
    "generate-link-for-single-ticket": {
      "suggested_key": {
        "default": "Alt+X",
        "mac": "Alt+X"
      },
      "description": "Generate link for a specific link from selected ticket on sprint board, selected ticket on search board, or ticket shown in ticket detail page."
    },
    "generate-link-for-all-tickets": {
      "suggested_key": {
        "default": "Alt+Z",
        "mac": "Alt+Z"
      },
      "description": "Generate link for all tickets shown up in Jira search result board."
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c10c173a-c1f9-4054-947e-13f5296b11b1}"
    }
  }
}