params.json added

for vLLM support:
because you've specified --config_format mistral (and --load_format mistral), vLLM is expecting to find a params.json file in the model repository. This file contains key hyperparameters for models released in Mistral's native format.

params.json

@@ -0,0 +1,11 @@
+{
+  "dim": 5120,
+  "n_layers": 40,
+  "head_dim": 128,
+  "hidden_dim": 32768,
+  "n_heads": 32,
+  "n_kv_heads": 8,
+  "rope_theta": 1000000000.0,
+  "norm_eps": 1e-05,
+  "vocab_size": 131072
+}