update examples

Former-commit-id: bf36b16e48d6438de6d0b2f2bfe33f7895699b9d

examples/extras/fsdp_qlora/README.md

@@ -1,5 +0,0 @@
-```bash
-pip install "transformers>=4.39.1"
-pip install "accelerate>=0.28.0"
-pip install "bitsandbytes>=0.43.0"
-```

examples/extras/fsdp_qlora/sft.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+pip install "transformers>=4.39.1"
+pip install "accelerate>=0.28.0"
+pip install "bitsandbytes>=0.43.0"
+
 CUDA_VISIBLE_DEVICES=0,1 accelerate launch \
     --config_file ../accelerate/fsdp_config.yaml \
     ../../src/train_bash.py \