[FEA]DiskANN-SSD needs to support additional parameters.

[nk2014yj]

build_dram_budget and search_dram_budget are especially critical for large-scale datasets, as they determine whether index building and search operations will fail due to OOM (Out of Memory).It is desired that the diskann_ssd.yaml configuration file supports these two parameters.

[tarang-jain]

#1598 exactly exposes these parameters.