Examine source code of Nelix

{
  "name": "Nelix",
  "version": "1.0.8",
  "description": "A new way to experience and control your Netflix feed!",
  "permissions": [
    "https://nelix-server.herokuapp.com/",
    "identity",
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "nelix@yokiano"
    }
  },
  "web_accessible_resources": [
    "assets/images/imdb-logo.svg",
    "assets/images/loader.svg",
    "assets/images/check.svg",
    "assets/images/down-chevron.svg",
    "assets/images/play.svg",
    "assets/images/x.svg",
    "assets/images/menu.svg",
    "assets/images/arrow.svg",
    "assets/images/home.svg",
    "assets/images/list.svg",
    "assets/images/settings.svg",
    "assets/images/debug.svg",
    "assets/images/trailer.svg",
    "assets/images/title-image-place-holder.png",
    "assets/images/buymeacoffee.svg",
    "assets/images/google-logo.svg",
    "assets/images/nelix-logo.svg",
    "assets/images/welcome.svg",
    "assets/images/help-circle.svg",
    "assets/images/thank-you-message.svg",
    "assets/privacy-policy.html"
  ],
  "background": {
    "scripts": [
      "assets/js/browser-polyfill.min.js",
      "assets/background.js"
    ],
    "persistent": true
  },
  "page_action": {
    "default_icon": {
      "16": "assets/images/16_16.png",
      "32": "assets/images/32_32.png",
      "48": "assets/images/48_48.png",
      "128": "assets/images/128_128.png"
    }
  },
  "icons": {
    "16": "assets/images/16_16.png",
    "32": "assets/images/32_32.png",
    "48": "assets/images/48_48.png",
    "128": "assets/images/128_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.netflix.com/*"
      ],
      "css": [
        "assets/css/myStyle.css"
      ],
      "run_at": "document_idle",
      "js": [
        "kotlin_kotlin.js",
        "kotlin_org_jetbrains_kotlinx_kotlinx_serialization_core.js",
        "kotlin_org_jetbrains_kotlinx_kotlinx_serialization_json.js",
        "assets/js/popper.min.js",
        "assets/js/browser-polyfill.min.js",
        "assets/js/tippy-bundle.umd.min.js",
        "assets/js/chart.min.js",
        "assets/js/chartMediator.js",
        "kotlin_org_jetbrains_kotlinx_atomicfu.js",
        "kotlin_org_jetbrains_kotlinx_kotlinx_coroutines_core.js",
        "kotlin_io_ktor_ktor_io.js",
        "kotlin_io_ktor_ktor_utils.js",
        "kotlin_io_ktor_ktor_http.js",
        "kotlin_io_ktor_ktor_http_cio.js",
        "kotlin_io_ktor_ktor_client_core.js",
        "kotlin_io_ktor_ktor_client_js.js",
        "kotlin_yokiano_datamodels_nelix_datamodels_mpp.js",
        "kotlin_nelix_kjs_ff_shared.js",
        "kotlin_nelix_kjs_ff_contentScript.js"
      ]
    }
  ],
  "manifest_version": 2
}