Examine source code of Robô Adv-Calc-Plugin

{
  "manifest_version": 2,
  "name": "Robô Pje-Calc",
  "version": "1.0.0",
  "description": "Escuta dados da ADV e preenche formulários do PJe-Calc.",
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "activeTab",
    "downloads",
    "http://localhost/*/pjecalc/*",
    "http://127.0.0.1/*/pjecalc/*",
    "https://6997c0ded66520f95f15a496.mockapi.io/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://localhost/*",
        "http://127.0.0.1/*",
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "src/img/img_adv.png",
    "img/img_adv.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "adv-calc-plugin@local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_title": "Robô Pje-Calc"
  }
}