Examine source code of Super8

{
  "manifest_version": 2,
  "icons": {
    "48": "images/icon-48.png",
    "96": "images/icon-96.png"
  },
  "background": {
    "scripts": [
      "src/background/main.js"
    ],
    "persistent": true
  },
  "options_ui": {
    "page": "src/options/main.html",
    "open_in_tab": true
  },
  "browser_action": {
    "default_title": "__MSG_name__",
    "default_popup": "src/popup/main.html",
    "default_icon": {
      "16": "images/icon-16.png",
      "32": "images/icon-32.png",
      "48": "images/icon-48.png",
      "128": "images/icon-128.png"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "menus",
    "contextMenus"
  ],
  "web_accessible_resources": [
    "images/*"
  ],
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{63bba7f4-510b-4478-b401-a2726a9703ba}"
    }
  },
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "version": "0.2.8",
  "version_name": "0.2.8",
  "author": "Angelo",
  "homepage_url": "https://super8.pigeonposse.com/",
  "default_locale": "en",
  "content_scripts": [
    {
      "js": [
        "src/content/main.js"
      ],
      "matches": [
        "https://www.youtube.com/*",
        "https://vimeo.com/*",
        "https://www.twitch.tv/*",
        "https://www.filmin.es/*",
        "https://www.disneyplus.com/*",
        "https://www.netflix.com/*",
        "https://www.primevideo.com/*"
      ],
      "run_at": "document_end",
      "css": [
        "style.css"
      ]
    }
  ]
}