[META] Add performance and accuracy benchmarks for Neural search Features

[navneet1v]

Description

The aim of this issue is to write the performance and accuracy benchmarks for different features of Neural search plugin.

Tasks

• [ ] List all the datasets that will be used in the benchmarking
• [ ] Performance Benchmarks for ingestion of different processors
  • [ ] Text Embedding Processor
  • [ ] Sparse Encoding Processor
  • [ ] TextandImage Processor
• [ ] Performance Benchmarks for different Query Clause
  • [ ] Neural Query Clause
  • [ ] Sparse Encoding Query Clause
  • [ ] Hybrid Query Clause
  • [ ] Hybrid Query using Bool Query Clause
• [ ] Accuracy Benchmarks
  • [ ] Neural Query Clause
  • [ ] Sparse Encoding Query Clause
  • [ ] Hybrid Query Clause
  • [ ] Hybrid Query using Bool Query Clause