Examine source code of Fibery Browser Extension

{
  "manifest_version": 2,
  "version": "1.0.10",
  "name": "Fibery Browser Extension",
  "description": "Use Fibery Extension to create Entities — Competitors, Pages, Tickets — right from a web page",
  "icons": {
    "16": "favicon16.png",
    "32": "favicon32.png",
    "48": "favicon48.png",
    "128": "favicon128.png"
  },
  "commands": {
    "_execute_browser_action": {
      "description": "Save to Fibery ",
      "suggested_key": {
        "chromeos": "Ctrl+Shift+K",
        "linux": "Ctrl+Shift+K",
        "mac": "Command+Shift+K",
        "windows": "Ctrl+Shift+K"
      }
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "favicon16.png",
      "32": "favicon32.png",
      "48": "favicon48.png",
      "128": "favicon128.png"
    },
    "default_popup": "index.html",
    "default_title": "Save to Fibery"
  },
  "permissions": [
    "activeTab",
    "storage",
    "https://*.fibery.io/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{18e41a88-b828-459d-91d7-95d34f902e2b}",
      "strict_min_version": "94.0"
    }
  }
}