Examine source code of Letterboxd Shortcuts

{
  "manifest_version": 3,
  "name": "Letterboxd Shortcuts",
  "description": "Keyboard shortcuts for Letterboxd.",
  "version": "2.0.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{42aa0554-ddb5-48b3-bf37-10d59ff2c48d}"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.letterboxd.com/*"
      ],
      "include_globs": [
        "*letterboxd.com/*/films/diary*",
        "*letterboxd.com/*/tag/*/diary*"
      ],
      "js": [
        "scripts/shortcutsMain.js",
        "scripts/shortcutsDiary.js"
      ],
      "css": [
        "styles/shortcuts.css"
      ]
    },
    {
      "matches": [
        "*://*.letterboxd.com/*"
      ],
      "include_globs": [
        "*letterboxd.com/film/*",
        "*letterboxd.com/*/film/*"
      ],
      "js": [
        "scripts/shortcutsMain.js",
        "scripts/shortcutsFilm.js"
      ]
    },
    {
      "matches": [
        "*://*.letterboxd.com/*"
      ],
      "exclude_globs": [
        "*letterboxd.com/film/*",
        "*letterboxd.com/*/film/*",
        "*letterboxd.com/*/films/diary*",
        "*letterboxd.com/*/tag/*/diary*"
      ],
      "js": [
        "scripts/shortcutsMain.js",
        "scripts/shortcutsFilmGrid.js"
      ],
      "css": [
        "styles/shortcuts.css"
      ]
    }
  ]
}