Examine source code of Web to Anki

{
  "manifest_version": 3,
  "name": "Web to Anki",
  "version": "0.1.0",
  "description": "A simple extension to create Anki cards from web content.",
  "permissions": [
    "activeTab",
    "storage",
    "scripting",
    "tabs",
    "contextMenus",
    "identity"
  ],
  "host_permissions": [
    "http://localhost:8765/",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "parsers/LeetCodeParser.js",
        "parsers/HackerRankParser.js",
        "parsers/CodeforcesParser.js",
        "parsers/CodeChefParser.js",
        "parsers/GenericParser.js",
        "parsers/index.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "moolekhbghcmjplplebgjambkpeandin@webtoanki"
    }
  }
}