fix: add XLinear to MODEL_FILENAME_DICT for save/load support (#1469)

Author: ph3on1x

neuralforecast/core.py

@@ -56,6 +56,7 @@
     TSMixer,
     TSMixerx,
     VanillaTransformer,
+    XLinear,
     iTransformer,
     xLSTM,
 )
@@ -202,6 +203,8 @@ def _insample_times(
     "autotimexer": TimeXer,
     "xlstm": xLSTM,
     "autoxlstm": xLSTM,
+    "xlinear": XLinear,
+    "autoxlinear": XLinear,
 }