Examine source code of CC dashboard

{
  "name": "CC dashboard",
  "description": "A browser extension expanding capabilities of the Custom Command dashboard",
  "version": "1.9.1",
  "icons": {
    "300": "./IMG/icon300.png",
    "600": "./IMG/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fajfaj@ccommandbot.com",
      "strict_min_version": "42.0"
    }
  },
  "manifest_version": 3,
  "content_scripts": [
    {
      "matches": [
        "https://ccommandbot.com/cc/*"
      ],
      "js": [
        "./JS/list.js",
        "./JS/search.js"
      ],
      "css": [
        "./CSS/list.css",
        "./CSS/search.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://ccommandbot.com/file/*/*"
      ],
      "js": [
        "./JS/cmd.js"
      ],
      "css": [
        "./CSS/cmd.css"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "https://ccommandbot.com/*"
      ],
      "resources": [
        "JS/storage.js"
      ]
    }
  ],
  "action": {
    "default_popup": "./popup/popup.html",
    "default_icon": "./IMG/icon.png"
  }
}