Missing falcon declarations

Author: Galunid

model.py

@@ -47,6 +47,9 @@ def _get_model_architecture(self):
             return gguf.MODEL_ARCH.MPT
         if arch in ("BaichuanForCausalLM", "BaiChuanForCausalLM"):
             return gguf.MODEL_ARCH.BAICHUAN
+        if arch == "FalconForCausalLM"
+            return gguf.MODEL_ARCH.FALCON
+
         raise NotImplementedError(f'Architecture "{arch}" not supported!')
 
     def set_vocab(self):
@@ -180,6 +183,8 @@ def from_model_architecture(model_architecture):
             return MPTModel
         if model_architecture in ("BaichuanForCausalLM", "BaiChuanForCausalLM"):
             return BaichuanModel
+        if mode_architecture == "FalconForCausalLM":
+            return FalconModel
         return Model
 
 class StableLMModel(Model):