Examine source code of Markdown Viewer

{
  "manifest_version": 3,
  "name": "Markdown Viewer",
  "version": "5.2.2",
  "description": "Markdown Viewer",
  "homepage_url": "https://github.com/simov/markdown-viewer",
  "icons": {
    "16": "/icons/default/16x16.png",
    "19": "/icons/default/19x19.png",
    "38": "/icons/default/38x38.png",
    "48": "/icons/default/48x48.png",
    "128": "/icons/default/128x128.png"
  },
  "action": {
    "default_icon": {
      "16": "/icons/default/16x16.png",
      "19": "/icons/default/19x19.png",
      "38": "/icons/default/38x38.png",
      "48": "/icons/default/48x48.png",
      "128": "/icons/default/128x128.png"
    },
    "default_title": "Markdown Viewer",
    "default_popup": "/popup/index.html"
  },
  "background": {
    "scripts": [
      "/vendor/markdown-it.min.js",
      "/vendor/marked.min.js",
      "/vendor/remark.min.js",
      "/background/compilers/markdown-it.js",
      "/background/compilers/marked.js",
      "/background/compilers/remark.js",
      "/background/storage.js",
      "/background/webrequest.js",
      "/background/detect.js",
      "/background/inject.js",
      "/background/messages.js",
      "/background/mathjax.js",
      "/background/xhr.js",
      "/background/icon.js",
      "/background/index.js"
    ]
  },
  "options_ui": {
    "page": "/options/index.html",
    "browser_style": false
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "/icons/default/16x16.png",
        "/icons/dark/16x16.png",
        "/icons/light/16x16.png",
        "/themes/*",
        "/vendor/mathjax/fonts/*",
        "/vendor/prism.min.css",
        "/vendor/prism-okaidia.min.css"
      ]
    }
  ],
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "file:///*"
  ],
  "optional_permissions": [
    "webRequest",
    "*://*/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "markdown-viewer@outofindex.com",
      "strict_min_version": "110.0"
    }
  }
}