Examine source code of BombPartyAssistant

{
  "manifest_version": 2,
  "name": "BombPartyAssistant",
  "version": "1.0",
  "description": "Assists you in the game Bomb Party by providing you with words that you can use",
  "default_locale": "en",
  "icons": {
    "48": "icons/bomb_48.png",
    "96": "icons/bomb_96.png"
  },
  "permissions": [
    "activeTab",
    "menus",
    "tabs",
    "scripting",
    "webNavigation",
    "storage",
    "https://phoenix.jklm.fun/*",
    "https://falcon.jklm.fun/",
    "https://jklm.fun/*"
  ],
  "browser_action": {
    "default_icon": "icons/bomb_48.png",
    "default_title": "Bomb Party"
  },
  "sidebar_action": {
    "default_icon": {
      "48": "icons/bomb_48.png",
      "96": "icons/bomb_96.png"
    },
    "default_title": "Bomb Party Assistant!",
    "default_panel": "html/sidebar.html",
    "open_at_install": false
  },
  "background": {
    "scripts": [
      "js/menu.js"
    ]
  },
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "browser_specific_settings": {
    "gecko": {
      "id": "{56c7b693-cd4b-46d9-9be3-f55c771f7690}"
    }
  }
}