Examine source code of Image Emotion Detector

{
  "manifest_version": 2,
  "name": "Image Emotion Detector",
  "version": "1.0",
  "description": "Detects emotions in images on hover or click using a face emotion recognition API.",
  "permissions": [
    "activeTab",
    "https://api-inference.huggingface.co/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Image Emotion Detector"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ac286b0-e9ca-4241-909e-fade2707d8d1}"
    }
  }
}