t-minus

Results 4 issues of t-minus

# Changes * Fixes https://github.com/Nixtla/neuralforecast/issues/866 issue * Add `optimizer`, `optimizer_kwargs` params to `TimeLLM` and `NLinear` models. The recently introduced models did not consider these parameters because the optimizer related args...

⚔️ Quest

# Rationale * Similar to the work of adding the support of an user-defined optimizer, now we can accept an user defined scheduler. This feature is asked in https://github.com/Nixtla/neuralforecast/issues/852#issuecomment-1961923861 and...

# Rationale * Users have asked about whether we can modify the default learning rate scheduler behaviors. See https://github.com/Nixtla/neuralforecast/issues/852#issuecomment-1961923861 and https://nixtlacommunity.slack.com/archives/C031M8RLC66/p1713516602654109 * Instead of adding arguments to all the models,...