Add model config for HelionX Base 300M

config.json

@@ -0,0 +1,19 @@
+{
+  "model_type": "gpt2",
+  "vocab_size": 50257,
+  "n_positions": 2048,
+  "n_ctx": 2048,
+  "n_embd": 896,
+  "n_layer": 22,
+  "n_head": 14,
+  "activation_function": "gelu",
+  "resid_pdrop": 0.0,
+  "embd_pdrop": 0.0,
+  "attn_pdrop": 0.0,
+  "layer_norm_epsilon": 1e-5,
+  "initializer_range": 0.02,
+  "use_cache": true,
+  "bos_token_id": 50256,
+  "eos_token_id": 50256,
+  "architectures": ["HelionXModel"]
+}