async insert () {
          let formData = new FormData();
          formData.append('file', this.file);

          const response = await this.$axios.post('http://elgrove.co/api/v1/files',
              formData,
              {
                  headers: {
                      'Content-Type': 'multipart/form-data',
                      'Authorization': `Bearer ${this.$store.state.auth.authUser.accessToken}`
                  }
              }
          );

          const file_id = response.data.data.uploaded[0].id;
          console.log('FILE_ID', file_id);

          const response2 = await this.$axios.request({
            url: `http://elgrove.co/api/v1/bills`,
            method: 'post',
            headers: {
                'Authorization': `Bearer ${this.$store.state.auth.authUser.accessToken}`
            },
            data: this.editedItem
          });

          const uid = response2.data.data.id;

          this.editedItem.id = uid;
          this.editedItem.file = file_id; // requiero del file_id
          this.regs.push(this.editedItem);
          this.pagination.totalItems++;
      },