Examine source code of zoho

{
  "manifest_version": 2,
  "name": "zoho",
  "version": "0.2",
  "description": "Amélioration ergonomique de Zoho",
  "browser_specific_settings": {
    "gecko": {
      "id": "postamster@b1nj.fr"
    }
  },
  "icons": {
    "48": "icons/logo-zoho-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://crm.zoho.eu/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "_permissions": [
    "webRequest",
    "webRequestBlocking",
    "https://crm.zoho.eu/crm/*"
  ],
  "_background": {
    "scripts": [
      "background.js"
    ]
  }
}