use json instead markdown generate file

[klaufel]

Proposal to generate the README through a json

The contract

[
  {
    "category": "📗 Empresas de producto", // string
    "companies": [
      {
        "address": "Carr. de Alicante, 215B, Nave 3, 30007 Murcia", // string
        "hasRemoteWork": "FULL", // enum <string>  "NONE" | "FULL" | "FLEX"
        "name": "Carsbater", // string
        "stack": null, // string
        "url": "https://www.carsbarter.es/" // <string>
      },
    ]
  }
]