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

src/python/gridfire/__init__.py

@@ -0,0 +1,20 @@
+from ._gridfire import *
+import sys
+
+from ._gridfire import type, utils, engine, solver, exceptions, partition, reaction, screening, io, policy
+
+sys.modules['gridfire.type'] = type
+sys.modules['gridfire.utils'] = utils
+sys.modules['gridfire.engine'] = engine
+sys.modules['gridfire.solver'] = solver
+sys.modules['gridfire.exceptions'] = exceptions
+sys.modules['gridfire.partition'] = partition
+sys.modules['gridfire.reaction'] = reaction
+sys.modules['gridfire.screening'] = screening
+sys.modules['gridfire.policy'] = policy
+sys.modules['gridfire.io'] = io
+
+__all__ = ['type', 'utils', 'engine', 'solver', 'exceptions', 'partition', 'reaction', 'screening', 'io', 'policy']
+
+__version__ = "v0.7.0_alpha_2025_10_25"
+