Examine source code of PLUGIN GPA

{
  "manifest_version": 2,
  "name": "PLUGIN GPA",
  "version": "1.1",
  "description": "Coleta acertos do GPA para o preenchimento automático de formulário de registro de acertos no SIAP.",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "contextMenus",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScripts.js"
      ]
    }
  ],
  "commands": {
    "copiar-gpa": {
      "suggested_key": {
        "default": "Command+Shift+1"
      },
      "description": "Copiar dados do GPA"
    },
    "colar-siap": {
      "suggested_key": {
        "default": "Command+Shift+2"
      },
      "description": "Colar dados no SIAP"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "plugingpa@gpacepi.com.br",
      "strict_min_version": "102.0"
    }
  }
}