Add updatetime to rank entries

TOOHUCardAPI/Migrations/20211107044043_updatetime.cs

@@ -0,0 +1,25 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace TOOHUCardAPI.Migrations
+{
+    public partial class updatetime : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "UpdateTime",
+                table: "RankEntries",
+                type: "timestamp without time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "UpdateTime",
+                table: "RankEntries");
+        }
+    }
+}

TOOHUCardAPI/Migrations/AppDbContextModelSnapshot.cs

@@ -956,6 +956,9 @@ namespace TOOHUCardAPI.Migrations
                     b.Property<int>("RankType")
                         .HasColumnType("integer");
 
+                    b.Property<DateTime>("UpdateTime")
+                        .HasColumnType("timestamp without time zone");
+
                     b.Property<long?>("UserSteamId")
                         .HasColumnType("bigint");