Refactor game state management to use a unified Stat system and update UI labels for production and corruption

Scripts/Core/Stat.cs

@@ -0,0 +1,17 @@
+namespace ParasiticGod.Scripts.Core;
+
+public enum Stat
+{
+    // Primary Resources
+    Faith,
+    Followers,
+    Corruption,
+    Production,
+
+    // Passive Generation Stats
+    ProductionPerSecond,
+    CorruptionPerSecond,
+    
+    // Modifying Stats
+    FaithPerFollower
+}