Examine source code of Improve Crunchyroll

{
  "manifest_version": 3,
  "version": "5.0.1",
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "author": "Thomas Tavernier <thomas@tavernier.dev>",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{2b6c25c8-0c7e-4692-957f-c4ae6af0c34b}"
    }
  },
  "icons": {
    "128": "assets/icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "lib/popup/index.html"
  },
  "background": {
    "scripts": [
      "lib/background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://static.crunchyroll.com/vilos-v2/web/vilos/player.html*"
      ],
      "js": [
        "lib/shared/chromeStorage.js",
        "lib/shared/renderer.js",
        "lib/shared/shortcutUtils.js",
        "lib/content_scripts/player/buttons/buttons.js",
        "lib/content_scripts/player/events/events.js",
        "lib/content_scripts/player/fast-forward-backward/fast-forward-backward.js",
        "lib/content_scripts/player/playback/playback.js",
        "lib/content_scripts/player/render/render.js",
        "lib/content_scripts/player/settings/settings.js",
        "lib/content_scripts/player/shortcuts/shortcuts.js",
        "lib/content_scripts/player/skippers/skippers.js",
        "lib/content_scripts/player/main.js"
      ],
      "css": [
        "lib/content_scripts/player/buttons/buttons.css",
        "lib/content_scripts/player/fast-forward-backward/fast-forward-backward.css",
        "lib/content_scripts/player/playback/playback.css",
        "lib/content_scripts/player/render/render.css",
        "lib/content_scripts/player/settings/settings.css",
        "lib/content_scripts/player/skippers/skippers.css",
        "lib/content_scripts/player/main.css"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://beta.crunchyroll.com/*",
        "https://www.crunchyroll.com/*"
      ],
      "js": [
        "lib/shared/chromeStorage.js",
        "lib/shared/renderer.js",
        "lib/shared/shortcutUtils.js",
        "lib/content_scripts/website/api/api.js",
        "lib/content_scripts/website/action-menu/action-menu.js",
        "lib/content_scripts/website/pages/empty.js",
        "lib/content_scripts/website/pages/parent.js",
        "lib/content_scripts/website/pages/utils.js",
        "lib/content_scripts/website/pages/series/series.js",
        "lib/content_scripts/website/pages/watch/player/player-child.js",
        "lib/content_scripts/website/pages/watch/player/skippers/skippers.js",
        "lib/content_scripts/website/pages/watch/player/buttons/buttons.js",
        "lib/content_scripts/website/pages/watch/player/events/events.js",
        "lib/content_scripts/website/pages/watch/player/fast-forward-backward/fast-forward-backward.js",
        "lib/content_scripts/website/pages/watch/player/playback/playback.js",
        "lib/content_scripts/website/pages/watch/player/render/render.js",
        "lib/content_scripts/website/pages/watch/player/playback-rate/playback-rate.js",
        "lib/content_scripts/website/pages/watch/player/shortcuts/shortcuts.js",
        "lib/content_scripts/website/pages/watch/player/skippers/skippers.js",
        "lib/content_scripts/website/pages/watch/player/player.js",
        "lib/content_scripts/website/pages/watch/watch.js",
        "lib/content_scripts/website/main.js"
      ],
      "css": [
        "lib/shared/theme-color.css",
        "lib/content_scripts/website/action-menu/action-menu.css",
        "lib/content_scripts/website/pages/series/series.css",
        "lib/content_scripts/website/pages/watch/player/buttons/buttons.css",
        "lib/content_scripts/website/pages/watch/player/fast-forward-backward/fast-forward-backward.css",
        "lib/content_scripts/website/pages/watch/player/playback/playback.css",
        "lib/content_scripts/website/pages/watch/player/render/render.css",
        "lib/content_scripts/website/pages/watch/player/playback-rate/playback-rate.css",
        "lib/content_scripts/website/pages/watch/player/skippers/skippers.css",
        "lib/content_scripts/website/pages/watch/player/player.css",
        "lib/content_scripts/website/pages/watch/watch.css",
        "lib/content_scripts/website/pages/utils.css",
        "lib/content_scripts/website/main.css"
      ],
      "run_at": "document_idle"
    }
  ]
}