Product/1559 rds s3 quota management

coscine/issues#1559

src/Migrations/Migrations/Migration202106091057QuotaColumn.cs

+using FluentMigrator;
+
+namespace Coscine.Migrations.Migrations
+{
+    //yyyymmddhhmm
+    [Migration(202106091057)]
+    public class Migration202106091057QuotaColumn : Migration
+    {
+        public override void Down()
+        {
+            Delete.Column("MaxQuota").FromTable("ProjectQuotas");
+        }
+
+        public override void Up()
+        {
+            Alter.Table("ProjectQuotas")
+                .AddColumn("MaxQuota").AsInt32().WithDefaultValue("0").NotNullable();
+
+            Execute.EmbeddedScript("Migration202106091057QuotaColumn_up.sql");
+        }
+    }
+}