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/policy/trampoline/py_policy.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+
+#include "gridfire/policy/policy.h"
+
+class PyNetworkPolicy final : public gridfire::policy::NetworkPolicy {
+public:
+    [[nodiscard]] std::string name() const override;
+
+    [[nodiscard]] const std::set<fourdst::atomic::Species>& get_seed_species() const override;
+
+    [[nodiscard]] const gridfire::reaction::ReactionSet& get_seed_reactions() const override;
+
+    [[nodiscard]] gridfire::engine::DynamicEngine& construct() override;
+
+    [[nodiscard]] gridfire::policy::NetworkPolicyStatus get_status() const override;
+
+    [[nodiscard]] const std::vector<std::unique_ptr<gridfire::engine::DynamicEngine>> &get_engine_stack() const override;
+
+    [[nodiscard]] std::vector<gridfire::engine::EngineTypes> get_engine_types_stack() const override;
+
+    [[nodiscard]] const std::unique_ptr<gridfire::partition::PartitionFunction>& get_partition_function() const override;
+};
+
+class PyReactionChainPolicy final : public gridfire::policy::ReactionChainPolicy {
+public:
+    [[nodiscard]] const gridfire::reaction::ReactionSet & get_reactions() const override;
+
+    [[nodiscard]] bool contains(const std::string &id) const override;
+
+    [[nodiscard]] bool contains(const gridfire::reaction::Reaction &reaction) const override;
+
+    [[nodiscard]] std::unique_ptr<ReactionChainPolicy> clone() const override;
+
+    [[nodiscard]] std::string name() const override;
+
+    [[nodiscard]] uint64_t hash(uint64_t seed) const override;
+
+    [[nodiscard]] bool operator==(const ReactionChainPolicy &other) const override;
+
+    [[nodiscard]] bool operator!=(const ReactionChainPolicy &other) const override;
+};