Params are 100% unused in the experimental engines

[vinid]

textgrad/textgrad/engine_experimental/litellm.py

Line 40 in d9c357d

self, content: str, system_prompt: str = None, temperature=0, max_tokens=2000, top_p=0.99

[Hellisotherpeople]

Please expose all sampler paramas as kwargs in some way within textgrad! I should be able to trivially pass in temperature and min_p values!

[vinid]

this PR should hopefully fix that #159, but i need to do some more testing