Examine source code of Kindle Context Clipper

{
  "manifest_version": 2,
  "name": "Kindle Context Clipper",
  "description": "A simple browser extension to extract highlighted passages and their surrounding context from Kindle Cloud Reader.",
  "version": "1.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "web_accessible_resources": [
    "tesseract/*",
    "content-scripts/content.css"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Kindle Context Clipper",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://read.amazon.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f46bd2a1-38b4-4d6c-bfb2-9c5b79da3a04}"
    }
  }
}