add script to train with ft (pytorch#1812)

Summary:
the script adds configuration options to run training locally with ft
enabled

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* pytorch#1840
* pytorch#1811
* pytorch#1810
* __->__ pytorch#1812
* pytorch#1809

---------

Co-authored-by: Tushar Jain <[email protected]>

Author: tushar00jain

torchtitan/models/llama3_ft/train_configs/debug_model.toml

@@ -1,8 +1,13 @@
 [job]
 dump_folder = "./outputs"
+<<<<<<< HEAD
 description = "Llama 3 fault-tolerant debug training"
 print_config = false
 custom_config_module = "torchtitan.components.ft.config"
+=======
+description = "Llama 3 debug training"
+print_args = false
+>>>>>>> f63037ff (add script to train with ft (#1812))
 
 [profiling]
 enable_profiling = true