update import.md

docs/import.md

@@ -16,7 +16,9 @@ If the model being imported is one of these architectures, it can be imported di
 
  - LlamaForCausalLM
  - MistralForCausalLM
+ - MixtralForCausalLM
  - GemmaForCausalLM
+ - Phi3ForCausalLM
 
 ```dockerfile
 FROM /path/to/safetensors/directory