Examine source code of Robô Adv-Calc-Plugin

{
  "manifest_version": 2,
  "name": "Robô Pje-Calc",
  "version": "2.4.0",
  "description": "Escuta dados da ADV e preenche formulários do PJe-Calc.",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "downloads",
    "http://localhost/*",
    "http://127.0.0.1/*",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "adv-web-bridge.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "http://localhost/*",
        "http://127.0.0.1/*",
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_title": "Robô Pje-Calc"
  },
  "externally_connectable": {
    "matches": [
      "http://localhost/*",
      "http://127.0.0.1/*",
      "https://*.up.railway.app/*",
      "https://adv-web-production.up.railway.app/*"
    ],
    "ids": [
      "adv-calc-plugin@local"
    ]
  },
  "web_accessible_resources": [
    "adv-web-page-bridge.js",
    "img/img_adv.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "adv-calc-plugin@local",
      "strict_min_version": "115.0"
    }
  }
}