Examine source code of Easy Languages Dictionary

{
  "manifest_version": 2,
  "name": "Easy Languages Dictionary",
  "version": "1.0.3",
  "author": "R. N. West",
  "homepage_url": "https://github.com/rnwst/easy-languages-dict",
  "description": "Adds an interactive dictionary to subtitles of videos on the Easy Languages YouTube channels.",
  "icons": {
    "48": "icons/48.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*",
        "https://m.youtube.com/*"
      ],
      "js": [
        "content/index.js"
      ],
      "run_at": "document_end",
      "css": [
        "content/styles.css"
      ]
    }
  ],
  "background": {
    "type": "module",
    "scripts": [
      "background/index.js"
    ],
    "persistent": false
  },
  "permissions": [
    "webNavigation",
    "storage",
    "https://translate.googleapis.com/*",
    "https://www.bing.com/translator",
    "https://www.bing.com/ttranslatev3?*",
    "https://www2.deepl.com/jsonrpc?*"
  ],
  "web_accessible_resources": [
    "content/tesseract/*",
    "content/tesseract-core/*",
    "langs.csv"
  ],
  "minimum_chrome_version": "116",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "112.0",
      "id": "{0db16fe2-920e-46cd-800c-d6de3b74eb3a}"
    }
  }
}