Examine source code of E-Project

{
  "manifest_version": 2,
  "name": "E-Project",
  "version": "1.0",
  "description": "Extension for my work",
  "icons": {
    "128": "Logo_Edeka.png"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://crossnet4.crossinx.com/crossnet/en/modules/ocroperation/verificationdetails/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{290aab70-dc03-44dc-89e4-d0a38d428647}"
    }
  }
}