feat(python): Repaired python bindings

Python bindings have now been brought back up to feature pairity with
C++. Further, stubs have been added for all python features so that code
completion will work

stubs/gridfire/__init__.pyi

@@ -0,0 +1,15 @@
+from __future__ import annotations
+from gridfire._gridfire import engine
+from gridfire._gridfire import exceptions
+from gridfire._gridfire import io
+from gridfire._gridfire import partition
+from gridfire._gridfire import policy
+from gridfire._gridfire import reaction
+from gridfire._gridfire import screening
+from gridfire._gridfire import solver
+from gridfire._gridfire import type
+from gridfire._gridfire import utils
+import sys as sys
+from . import _gridfire
+__all__: list = ['type', 'utils', 'engine', 'solver', 'exceptions', 'partition', 'reaction', 'screening', 'io', 'core', 'cli']
+__version__: str = 'v0.7.0_alpha_2025_10_25'