Mariana Menchero García

Hotfix for links in documentation

19

## Description This PR makes two changes: **1. Fixes links in documentation:** - Links pointing to Mintlify now point to readme.com. - Updates some URLs. - Fixes typos that rendered...

[DOC] Model callouts and descriptions

9

## Description - Added callouts for tutorials 09-20. - Extended descriptions for the introductory pages on training, validation, uncertainty quantification, and special topics.

Give plot_series the option of not showing zeros

1

### Description It would be nice to have the option of not plotting zero values when using the `plot_series` function when they're not relevant to the analysis. ```python from utilsforecast.data...

docs: Audit and clean data methods

3

## Description Includes a new tutorial showing the new audit and clean data methods from TimeGPT.

### Description Some of the links in the documentation are broken. For example, the source link [here](https://nixtlaverse.nixtla.io/statsforecast/src/core/core.html#statsforecast-cross-validation) results in a `404 - page not found`. ### Link https://nixtlaverse.nixtla.io/statsforecast/src/core/core.html#statsforecast-cross-validation