axios.post
                                <script>
	export default {
      data(){
          return {
              urlBase: 'http://localhost:8000/api/v1/marca',
              nomeMarca: '',
              arquivoImagem: []
          }
      },
      methods: {
          carregarImagem(e){
              this.arquivoImagem = e.target.files // object array
          },
          guardar(){
              // Warning : e.target.files is an array of objects
              console.log(this.nomeMarca , this.arquivoImagem[0])
              /* axios.post(  <url>,
                              <request_content>,
                              <request_config>
                          )
              */
              /*
                  When we are talking about http requests for the backend
                   of our application that involve sending files,
                   we need to set the body of our request to
                   being of the form-data type.
              */
              // program a form via javascript just like the POSTMAN form
              let formData = new FormData()
              formData.append('nome', this.nomeMarca)
              formData.append('imagem', this.arquivoImagem[0])
              let config = {
                  headers: {
                      'Content-Type': 'multipart/form-data',
                      'Accept': 'application/json'
                  }
              }
              axios.post(this.urlBase, formData, config)
                .then(response => {
                    console.log(response)
                })
                .catch(errors => {
                    console.log(errors)
                })
          }
      }
  }
</script>