Examine source code of CSWatch Stats Viewer

{
  "manifest_version": 3,
  "name": "CSWatch Stats Viewer",
  "version": "1.0.3",
  "description": "Firefox extension that displays CSWatch stats directly on the Steam profile",
  "icons": {
    "16": "imgs/logo16.png",
    "48": "imgs/logo48.png",
    "128": "imgs/logo128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cswatch@jagoba.dev",
      "strict_min_version": "109.0"
    }
  },
  "action": {
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "imgs/logo16.png",
      "48": "imgs/logo48.png",
      "128": "imgs/logo128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://steamcommunity.com/id/*",
        "*://steamcommunity.com/profiles/*"
      ],
      "js": [
        "src/scripts/background.js"
      ],
      "world": "MAIN",
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://steamcommunity.com/id/*",
        "*://steamcommunity.com/profiles/*"
      ],
      "js": [
        "src/scripts/content.js"
      ],
      "css": [
        "src/styles/content.css",
        "src/styles/custom-classes.css"
      ]
    }
  ],
  "host_permissions": [
    "*://steamcommunity.com/*",
    "*://cswatch.in/api/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "imgs/*.png"
      ],
      "matches": [
        "*://steamcommunity.com/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "src/scripts/service-worker.js"
    ]
  },
  "permissions": []
}