Add SparkLLM Text Embedding Model and SparkLLM introduction

[liugddx]

Checked

• I searched existing ideas and did not find a similar one
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• I've clearly described the feature request and motivation for it

Feature request

SparkLLM is a large-scale cognitive model independently developed by iFLYTEK.
It has cross-domain knowledge and language understanding ability by learning a large amount of texts, codes and images.
It can understand and perform tasks based on natural dialogue.

I want to add SparkLLM Text Embedding Model and SparkLLM introduction.

Motivation

Add SparkLLM Text Embedding Model and SparkLLM introduction.

Proposal (If applicable)

No response

[liugddx]

#17573