Core/Items: Implemented corruption and corruption resistance stats

Port From (https://github.com/TrinityCore/TrinityCore/commit/6533de31005fc9680d9f2b61a4d8ea4958fc8edc)

Source/Framework/Constants/CliDBConst.cs

@@ -1945,4 +1945,10 @@ namespace Framework.Constants
 
         Max,
     }
+
+    public enum CorruptionEffectsFlag
+    {
+        None = 0,
+        Disabled = 0x1
+    }
 }

Source/Framework/Constants/ItemConst.cs

@@ -203,8 +203,8 @@ namespace Framework.Constants
         CritMeleeRating = 19,
         CritRangedRating = 20,
         CritSpellRating = 21,
-        HitTakenMeleeRating = 22,
-        HitTakenRangedRating = 23,
+        Corruption = 22,
+        CorruptionResistance = 23,
         HitTakenSpellRating = 24,
         CritTakenMeleeRating = 25,
         CritTakenRangedRating = 26,
@@ -239,15 +239,15 @@ namespace Framework.Constants
         NatureResistance = 55,
         ArcaneResistance = 56,
         PvpPower = 57,
-        CrAmplify = 58,
-        CrMultistrike = 59,
-        CrReadiness = 60,
+        Unused0 = 58,
+        Unused1 = 59,
+        Unused3 = 60,
         CrSpeed = 61,
         CrLifesteal = 62,
         CrAvoidance = 63,
         CrSturdiness = 64,
         CrUnused7 = 65,
-        CrCleave = 66,
+        Unused27 = 66,
         CrUnused9 = 67,
         CrUnused10 = 68,
         CrUnused11 = 69,

Source/Framework/Constants/UnitConst.cs

@@ -401,8 +401,8 @@ namespace Framework.Constants
         CritMelee = 8,
         CritRanged = 9,
         CritSpell = 10,
-        Multistrike = 11,
-        Readiness = 12,
+        Corruption = 11,
+        CorruptionResistance = 12,
         Speed = 13,
         ResilienceCritTaken = 14,
         ResiliencePlayerDamage = 15,

Source/Framework/Database/Databases/HotfixDatabase.cs

@@ -257,6 +257,9 @@ namespace Framework.Database
             PrepareStatement(HotfixStatements.SEL_CONVERSATION_LINE, "SELECT ID, BroadcastTextID, SpellVisualKitID, AdditionalDuration, NextConversationLineID, " +        
                 "AnimKitID, SpeechType, StartAnimation, EndAnimation FROM conversation_line");
 
+            // CorruptionEffects.db2
+            PrepareStatement(HotfixStatements.SEL_CORRUPTION_EFFECTS, "SELECT ID, MinCorruption, Aura, PlayerConditionID, Flags FROM corruption_effects");
+
             // CreatureDisplayInfo.db2
             PrepareStatement(HotfixStatements.SEL_CREATURE_DISPLAY_INFO, "SELECT ID, ModelID, SoundID, SizeClass, CreatureModelScale, CreatureModelAlpha, BloodID, " +        
                 "ExtendedDisplayInfoID, NPCSoundID, ParticleColorID, PortraitCreatureDisplayInfoID, PortraitTextureFileDataID, ObjectEffectPackageID, " +        
@@ -1260,6 +1263,8 @@ namespace Framework.Database
 
         SEL_CONVERSATION_LINE,
 
+        SEL_CORRUPTION_EFFECTS,
+
         SEL_CREATURE_DISPLAY_INFO,
 
         SEL_CREATURE_DISPLAY_INFO_EXTRA,