update: add top level function to create passivation

src/py/mat3ra/made/tools/build/passivation/__init__.py

@@ -0,0 +1,12 @@
+from typing import Union
+
+from mat3ra.made.material import Material
+from .configuration import PassivationConfiguration
+from .builders import PassivationBuilder, SurfacePassivationBuilder, UndercoordinationPassivationBuilder
+
+
+def create_passivation(
+    configuration: PassivationConfiguration,
+    builder: Union[SurfacePassivationBuilder, UndercoordinationPassivationBuilder] = SurfacePassivationBuilder(),
+) -> Material:
+    return builder.get_material(configuration)