Examine source code of minimal highlighter

{
  "manifest_version": 3,
  "name": "minimal highlighter",
  "version": "0.6.1",
  "description": "simple and elegant way to save and highlight any text.",
  "browser_specific_settings": {
    "gecko": {
      "id": "simple-web-highlighter@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "minimal highlighter",
    "default_popup": "sidebar/sidebar.html"
  },
  "commands": {
    "toggle-highlights-popup": {
      "suggested_key": {
        "default": "Ctrl+Shift+H",
        "mac": "Command+Shift+H"
      },
      "description": "Open the Highlights panel"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/anchoring.js",
        "content/storage.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ]
}