Merge pull request #857 from christianlocatelli/documentation_fix

I made a small change to the documentation of model.py (graphnet to GraphNeT).

Author: RasmusOrsoe

src/graphnet/models/model.py

@@ -21,7 +21,7 @@
 class Model(
     Logger, Configurable, LightningModule, ABC, metaclass=ModelConfigSaverABC
 ):
-    """Base class for all components in graphnet."""
+    """Base class for all components in GraphNeT."""
 
     verbose_print = True