DeepSpeed

405b6d5e - Add the accelerator setup guide link in Getting Started page (#6452)

Add the accelerator setup guide link in Getting Started page (#6452) Add the link of https://www.deepspeed.ai/tutorials/accelerator-setup-guide/ into the installation section in Getting Started page so that users can easily find the doc. Signed-off-by: roger feng <roger.feng@intel.com>