added Phi-3 handlers

[AndyChenYH]

Added handler for:
phi-3-mini-4k-instruct
phi-3-mini-128k-instruct
phi-3-small-8k-instruct
phi-3-small-128k-instruct
phi-3-medium-4,-instruct
phi-3-medium-128k-instruct
phi-3.5-mini-instruct

Rank	Model	Model Link	Organization	License	AST Summary	Simple AST	Multiple AST	Parallel AST	Parallel Multiple AST	Irrelevance Detection	Relevance Detection
1	Phi-3-small-8k-instruct (Prompt)	https://huggingface.co/microsoft/Phi-3-small-8k-instruct	Microsoft	MIT	66.39%	59.70%	64.20%	76.75%	64.92%	47.06%	87.80%
2	Phi-3-medium-4k-instruct (Prompt)	https://huggingface.co/microsoft/Phi-3-medium-4k-instruct	Microsoft	MIT	62.10%	66.67%	67.40%	62.00%	52.33%	46.79%	78.05%
3	Phi-3-mini-4k-instruct (Prompt)	https://huggingface.co/microsoft/Phi-3-mini-4k-instruct	Microsoft	MIT	66.63%	70.76%	75.67%	69.75%	50.33%	20.25%	75.61%
4	Phi-3.5-mini-instruct (Prompt)	https://huggingface.co/microsoft/Phi-3.5-mini-instruct	Microsoft	MIT	55.13%	64.22%	66.12%	52.00%	38.17%	64.93%	70.73%
5	Phi-3-mini-128k-instruct (Prompt)	https://huggingface.co/microsoft/Phi-3-mini-128k-instruct	Microsoft	MIT	51.49%	67.60%	72.50%	41.12%	24.75%	44.07%	85.37%