azul

### Description it would be great to have an specific tutorial on the topic. ### Link _No response_

docs: add minimum data requirements

1

### Description currently we only have these limits for azure. we would like to document the data requirements for the public api based on different scenarios (fine-tuning, prediction intervals, etc.)...

### Description we’ve made some changes to the api that need to be reflected in our docs. ### Link _No response_

### Description we introduced `hist_exog_list` in `v0.6.2`. for compatibility, it would be great to add an option to select specific variables to be used as future exogenous variables. ### Use...

fix: relax dependencies

1

this pr relax dependencies to allow include the library as dependency in more projects.

fix: model cannot be loaded with custom quantiles

1

passing different quantiles than `DEFAULT_QUANTILES` in `src.timesfm.timesfm_base` (eg. `quantiles=[0.3, 0.4]`) throws the following error: which makes sense if the decoder was hardcoded to output that size of quantiles.

hey! just a heads up, these lines: https://github.com/awslabs/gluonts/blob/7bb6800a149a6caac7ec1725132c73bf06a57e2b/src/gluonts/dataset/pandas.py#L284-L286 are modifying the dataframe in-place by setting its index. since this happens inside a class method, it might be unexpected for whoever...