fix: ✨ adding config class for storing module wide configs

this will eventually be a file that can be stored either in the loopstructural python directory, or in the project folder. Currently none of the configs are used so its just a placeholder.

LoopStructural/__init__.py

@@ -23,3 +23,20 @@
 
 logger = getLogger(__name__)
 logger.info("Imported LoopStructural")
+
+class Config:
+    """
+    Class to store configuration settings.
+    """
+    __splay_fault_threshold = 30
+    __experimental = False
+    __default_interpolator = "FDI"
+    __default_nelements = 1e4
+    __default_solver = 'cg'
+
+    @property
+    def experimental():
+        return __experimental
+    @experimental.setter
+    def experimental(self, value):
+        __experimental = value