Examine source code of Stake Code Claimer

{
  "manifest_version": 3,
  "name": "Stake Code Claimer",
  "version": "1.1",
  "author": "CrazyOne",
  "description": "The easiest way to claim Stake bonus drops!",
  "default_locale": "en",
  "permissions": [
    "tabs",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "*://stake.com/*",
    "*://stake.us/*",
    "*://stake.ac/*",
    "*://stake.games/*",
    "*://stake.bet/*",
    "*://stake.pet/*",
    "*://stake.mba/*",
    "*://stake.jp/*",
    "*://stake.bz/*",
    "*://stake.ceo/*",
    "*://stake.krd/*",
    "*://stake1001.com/*",
    "*://stake1002.com/*",
    "*://stake1003.com/*",
    "*://stake1017.com/*",
    "*://stake1022.com/*",
    "*://stake1039.com/*",
    "*://staketr.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "ico/16-2.png",
      "32": "ico/32-2.png",
      "48": "ico/48-2.png",
      "128": "ico/128-2.png"
    }
  },
  "icons": {
    "16": "ico/16-2.png",
    "32": "ico/32-2.png",
    "48": "ico/48-2.png",
    "128": "ico/128-2.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@crazyone",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}