Examine source code of FlyForm

{
  "short_name": "FlyForm",
  "name": "FlyForm",
  "description": "Comunicación Operaciones UAS al Ministerio de Interior fáciles",
  "version": "2.0.11.0",
  "manifest_version": 3,
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "drone16.png",
      "32": "drone32.png",
      "48": "drone48.png",
      "128": "drone128.png"
    }
  },
  "icons": {
    "16": "drone16.png",
    "32": "drone32.png",
    "48": "drone48.png",
    "128": "drone128.png"
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "ExtPay.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://extensionpay.com/*"
      ],
      "js": [
        "ExtPay.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://drones.enaire.es/*"
      ],
      "js": [
        "content-script-drones-enaire.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://drones.ses.mir.es/drones-web/formulario*",
        "https://drones.ses.mir.es/drones-web/clonarComunicacion*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://drones.ses.mir.es/drones-web/*"
      ],
      "js": [
        "content-script-comunicacion.js"
      ]
    },
    {
      "matches": [
        "https://drones.ses.mir.es/error/404.html"
      ],
      "js": [
        "content-script-404.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "UserScript_comunicacion_Interior.js",
        "UserScript_comunicacion_Interior.css",
        "turf.min.js",
        "UserScript_DronesEnaire.js",
        "flyform-autopatch.js",
        "flyform-sync-client.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "georef-CA-1.json",
        "georef-CA-2.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "drone16.png",
        "drone32.png",
        "drone48.png",
        "drone128.png",
        "drone256.png",
        "drone512.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "ExtPay.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "FlyForm@ESansDeveloper",
      "strict_min_version": "137.0"
    },
    "gecko_android": {
      "id": "FlyForm@ESansDeveloper",
      "strict_min_version": "137.0"
    }
  }
}