docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/A/AIFormulas.h

@@ -0,0 +1,21 @@
+#pragma once
+
+namespace RE
+{
+	namespace AIFormulas
+	{
+		inline float GetBarterValue(float a_baseValue, float a_charisma, bool a_selling, TESObjectREFR* a_refTarget)
+		{
+			using func_t = decltype(&AIFormulas::GetBarterValue);
+			static REL::Relocation<func_t> func{ ID::AIFormulas::GetBarterValue };
+			return func(a_baseValue, a_charisma, a_selling, a_refTarget);
+		}
+
+		inline std::uint32_t ComputePickpocketSuccess(float a_thiefSkill, float a_targetSkill, std::int32_t a_valueStolen, float a_weightStolen, Actor* a_thief, Actor* a_target, TESForm* a_itemPickpocketing, bool a_placingItem)
+		{
+			using func_t = decltype(&AIFormulas::ComputePickpocketSuccess);
+			static REL::Relocation<func_t> func{ ID::AIFormulas::ComputePickpocketSuccess };
+			return func(a_thiefSkill, a_targetSkill, a_valueStolen, a_weightStolen, a_thief, a_target, a_itemPickpocketing, a_placingItem);
+		}
+	}
+}