Examine source code of Dig This Deal

{
  "manifest_version": 2,
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArstIgKWaI9pwLLHFP9ugXHLVAlSt+43OavVKd1sHJwB/knfS/8dO+d8Wq2M8A02zkfa5Ds8EmVj9ii8uOopj5om6u4JXYrD8Av8tV/Wb4//qDbpTvr11sDyXHGDKEMFr0ETHZH/nHAECI+6s4M+QVIMHM6yzLpoIk67/gBu38eGF/6cyAYsjYL9MqWN1FadyB19tO2QjWkfp2w83UIdQGUVDSxGM0zHgDWV8TQXcCL9Az8AgLygmdKz9mCghK5wAAH7yIYJiNatIv8JcNBq6UWrTynRg5AxndQ76pgu7PEOAOCNrkGtYxw01KRhUIgeVPsnCn0IxTZ0A49d8k46newIDAQAB",
  "icons": {
    "16": "images/logo_16.png",
    "32": "images/logo_32.png",
    "48": "images/logo_48.png",
    "128": "images/logo_128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "name": "JoinPeekaboo",
  "description": "Finding you the best price for the product you're purchasing.",
  "version": "10",
  "permissions": [
    "tabs",
    "storage",
    "https://www.joinpeekaboo.com/*",
    "https://api.joinpeekaboo.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "code.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4e78d63-c85d-47c4-a3a1-b11602132ac4}"
    }
  }
}