access wan-vace-14b model and add refernce example code

diffsynth/models/wan_video_vace.py

@@ -1,6 +1,6 @@
 import torch
 from .wan_video_dit import DiTBlock
-
+from .utils import hash_state_dict_keys
 
 class VaceWanAttentionBlock(DiTBlock):
     def __init__(self, has_image_input, dim, num_heads, ffn_dim, eps=1e-6, block_id=0):
@@ -74,4 +74,17 @@ class VaceWanModelDictConverter:
     
     def from_civitai(self, state_dict):
         state_dict_ = {name: param for name, param in state_dict.items() if name.startswith("vace")}
-        return state_dict_
+        if hash_state_dict_keys(state_dict_) == '3b2726384e4f64837bdf216eea3f310d': # vace 14B
+            config = {
+                "vace_layers": (0, 5, 10, 15, 20, 25, 30, 35),
+                "vace_in_dim": 96,
+                "patch_size": (1, 2, 2),
+                "has_image_input": False,
+                "dim": 5120,
+                "num_heads": 40,
+                "ffn_dim": 13824,
+                "eps": 1e-06,                
+            }
+        else:
+            config = {}
+        return state_dict_, config