Examine source code of el solver

{
  "manifest_version": 2,
  "name": "el solver",
  "description": "solver for wordle like puzzles",
  "version": "1.4.0",
  "permissions": [
    "tabs",
    "activeTab"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "solvers/*",
    "utils/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.nytimes.com/games/wordle/index.html",
        "https://www.milel.co/*",
        "https://jackli.gg/chessle/*",
        "https://worldle.teuteuf.fr/*",
        "https://oec.world/en/tradle/*",
        "https://sardle.net/*",
        "https://semantle.com/*",
        "https://www.sedecordle.com/*",
        "https://xordle.org/*",
        "https://www.redactle.com/*",
        "https://www.haaretz.co.il/riddles/ty-page/haaretz-wordle*",
        "https://degle.ishefi.com/*",
        "https://www.undergroundle.co.uk/*",
        "https://www.haaretz.co.il/riddles/ty-page/meduyeket/index.html",
        "https://converged.yt/primel/*",
        "https://www.mathler.com/*",
        "https://hard.mathler.com/*",
        "https://emovi.teuteuf.fr/*",
        "https://wordle.at/*",
        "https://ducc.pythonanywhere.com/flaggle/*",
        "https://www.lewdlegame.com/App*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0ffb70f1-528e-4dde-bc00-99b7c25434cb}"
    }
  }
}