persist say command messages with webfront denotation to chat log

per issue #159

SharedLibraryCore/Migrations/20201118023106_AddSentIngameFlagToClientMessage.cs

@@ -0,0 +1,23 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace SharedLibraryCore.Migrations
+{
+    public partial class AddSentIngameFlagToClientMessage : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "SentIngame",
+                table: "EFClientMessages",
+                nullable: false,
+                defaultValue: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "SentIngame",
+                table: "EFClientMessages");
+        }
+    }
+}