manifest.json

{
  "name": "Hover",
  "description": "A floating notepad with superpowers.",
  "version": "1.01",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "Hover"
  },
  "permissions": [
    "activeTab"
  ],

  "web_accessible_resources": ["app-frame.html","app-frame-style.css","/apps/*","interact.min.js","mark.min.js"],

  "commands": {
      "get-selected-text": {
          "suggested_key": {
            "windows": "Ctrl+Shift+Y",
            "mac": "Command+Shift+Y",
            "chromeos": "Ctrl+Shift+U",
            "linux": "Ctrl+Shift+J"
          },
          "description": "Get the selected text from the active tab."
      }
  },

	"icons": {
    "16": "/images/Hover-Logo@16.png",
    "32": "/images/Hover-Logo@32.png",
    "48": "/images/Hover-Logo@48.png",
    "128": "/images/Hover-Logo@128.png"
  }
}