Fault function refactor (#178)

* fix: check fault trace length before fitting polyline

* fix: set feature faults to builder faults before building

* refactor: 🎨 adding abc and type hints to fault functions

Added plot, to_dict, from_dict methods to the fault functions.

Author: lachlangrose

LoopStructural/modelling/features/__init__.py

@@ -2,12 +2,7 @@
 
 
 class FeatureType(IntEnum):
-    """
-    Enum for the different interpolator types
-
-    1-9 should cover interpolators with supports
-    9+ are data supported
-    """
+    """ """
 
     BASE = 0
     INTERPOLATED = 1