feat: synergy notes for owned items (RU, prebuilt from dead-god.ru)

features/eid_mcm.lua

@@ -175,6 +175,7 @@ EID.MCM_RU_Labels = {
 	["Show Glitched Item Info"] = "Инфо о глитч-артефактах",
 	["Show Glitched Crown Summary"] = "Сводка Глитч-короны",
 	["Show Sacrifice Room Info"] = "Инфо о комнате жертвоприношений",
+	["Show Synergies"] = "Показывать синергии",
 	["Show Sanguine Bond Info"] = "Инфо о Кровавых узах",
 	["Show Void Stat Increases"] = "Прирост статов от Бездны",
 	["Show Tainted Cain Salvage Results"] = "Результаты разбора Порченого Каина",
@@ -568,6 +569,8 @@ if MCMLoaded then
 	infoText = "Note: Installing REPENTOGON is required for more detailed glitched item descriptions!"})
 	EID:AddBooleanSetting("Display", "DisplayFlipItemDescriptions", "Show Flip Item Descriptions", {repOnly = true, 
 	infoText = "Display the effect of ghostly items, when player has the Flip item (T-Lazarus)"})
+	EID:AddBooleanSetting("Display", "DisplaySynergies", "Show Synergies",
+		{infoText = "Display synergy notes for owned items under the description (Russian language only)."})
 
 	MCM.AddSpace("EID", EID.MCMTr("Display"))
 	MCM.AddText("EID", EID.MCMTr("Display"), "Hidden items")