Examine source code of Github OctoLenses

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  "manifest_version": 2,
  "name": "OctoLenses",
  "version": "1.2.4",
  "short_name": "OctoLenses Browser Extension",
  "description": "Watch your repos and discover awesome things directly from your New Tab page.",
  "permissions": [
    "tabs",
    "identity",
    "*://*.github.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "OctoLenses",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}