Examine source code of Forge of Empires Sniping Tool

{
  "icons": {
    "16": "icon16.plasmo.2577fc03.png",
    "32": "icon32.plasmo.d583dc1e.png",
    "48": "icon48.plasmo.e0fcfb1d.png",
    "64": "icon64.plasmo.e6259081.png",
    "128": "icon128.plasmo.96a1ede9.png"
  },
  "manifest_version": 3,
  "action": {
    "default_icon": "icon.6adb34e8.png"
  },
  "version": "0.0.5",
  "author": "Oliver Jenbo",
  "name": "FoE Sniping Tool",
  "description": "Extension for firefox with a use for Forge of Empires",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_icon": "icon.6adb34e8.png",
    "default_title": "FoE Sniping Tool"
  },
  "permissions": [
    "storage",
    "webRequest"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.8504ce98.js"
      ],
      "css": []
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "FoeSniperRiffel@oliverjenbo.dk",
      "data_collection_permissions": {
        "permissions": {
          "en-US": "This add-on collects game data from Forge of Empires solely to calculate 'snipes' and display them in the side panel."
        },
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "*://*.forgeofempires.com/*"
  ]
}