Add message notification if REFramework is oudated

reframework/autorun/MHR_Overlay.lua

@@ -326,3 +326,7 @@ if debug.enabled then
 		end);
 	end
 end
+
+if imgui.begin_table == nil then
+	re.msg(language.current_language.customization_menu.reframework_outdated);
+end

reframework/autorun/MHR_Overlay/Misc/language.lua

@@ -408,7 +408,9 @@ language.default_language = {
 		lowest_health = "Lowest Health",
 		highest_health = "Highest Health",
 		lowest_health_percentage = "Lowest Health Percentage",
-		highest_health_percentage = "Highest Health Percentage"
+		highest_health_percentage = "Highest Health Percentage",
+
+		reframework_outdated = "Installed REFramework version is outdated. Please, update. Otherwise, MHR Overlay won't work correctly."
 	}
 };