Examine source code of FFXIV LodeStone Readable

{
  "name": "FFXIV LodeStone Readable",
  "short_name": "lodestone readable",
  "author": "Ryuryan Santa",
  "description": "FFXIV LodeStone Readable is an extension that updates the diary related appearance in FINAL FANTASY XIV The LodeStone.",
  "version": "1.3.2",
  "manifest_version": 2,
  "web_accessible_resources": [
    "lodestone/images/*.png"
  ],
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "lodestone/icon16.png",
    "48": "lodestone/icon48.png",
    "128": "lodestone/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://jp.finalfantasyxiv.com/lodestone/blog/*"
      ],
      "css": [
        "lodestone/style.css"
      ],
      "js": [
        "lodestone/script.js"
      ]
    },
    {
      "matches": [
        "https://jp.finalfantasyxiv.com/lodestone/character/*/blog/*"
      ],
      "css": [
        "lodestone/style.css"
      ],
      "js": [
        "lodestone/script.js"
      ]
    }
  ]
}