text: Title: [ENH] Collection normaliser transformer
  Body: ### Describe the feature or idea you want to propose
  
  when writing notebooks, it would have been helpful to have a normaliser BaseCollectionTransformer that could z-normalise, standardise or min/max scale, even as a wrapper of numpy, since it needs to be done on the correct axis etc.
  
  
  
  ### Describe your proposed solution
  
  something like 
  
  ```python
  from aeon.transformations.collection import Normalise
  norm = Normalise()
  xt = norm.fit_transform(x)
  norm = Normalise(method="min_max")
  xt = norm.fit_transform(x)
  ```
  
  
  ### Describe alternatives you've considered, if relevant
  
  _No response_
  
  ### Additional context
  
  _No response_