Add RBF module

[bryanlimy]

• added RFBModule from https://github.com/rssalessio/PytorchRBFLayer/tree/main
  • quick experiments on the hyperparameter search space.
• set module__input_size and module__output_size default values to None
  • this requires us to initialize module within fit and partial_fit by inferring the input and output dimensions from X and y.
  • we need to ignorecheck_estimators_empty_data_messages test case because it expect the error message to contain the required size of the input data, however, at that point of the code, we don't know what is the expected input dimension.
• create tests/test_torch.py for all our custom test cases for TorchModule and NeuralNetTorch
• set get_grid_params as staticmethod so that we can obtain the search space for the TorchModule without initializing the model.

address https://github.com/alan-turing-institute/autoemulate/issues/165 and https://github.com/alan-turing-institute/autoemulate/issues/160

[github-actions[bot]]

Coverage report

Click to see where and how coverage changed

File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
autoemulate
compare.py
cross_validate.py
model_processing.py
autoemulate/emulators
neural_net_torch.py
autoemulate/emulators/neural_networks
base.py					28
get_module.py
mlp.py
rbf.py					16, 20, 24, 28, 32, 36, 112-133, 137-168, 192-201, 222-252, 257, 262, 267, 297-314, 318-340, 343
tests
test_emulators.py
test_torch.py
Project Total

This report was generated by python-coverage-comment-action

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 70.66667% with 66 lines in your changes are missing coverage. Please review.

Project coverage is 88.43%. Comparing base (b31c26c) to head (178b1a5). Report is 2 commits behind head on main.

Files	Patch %	Lines
autoemulate/emulators/neural_networks/rbf.py	32.98%	65 Missing :warning:
autoemulate/emulators/neural_networks/base.py	80.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #180 +/- ## ========================================== - Coverage 90.23% 88.43% -1.81% ========================================== Files 42 44 +2 Lines 1925 2066 +141 ========================================== + Hits 1737 1827 +90 - Misses 188 239 +51 ```

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