Added .betstats command, shows statistics for multiple gambling commands, .slotstats removed as it is obsolete

src/NadekoBot/Migrations/Sqlite/20221003111019_gambling-stats.cs

@@ -0,0 +1,41 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace NadekoBot.Migrations
+{
+    public partial class gamblingstats : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "GamblingStats",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Feature = table.Column<string>(type: "TEXT", nullable: true),
+                    Bet = table.Column<decimal>(type: "TEXT", nullable: false),
+                    PaidOut = table.Column<decimal>(type: "TEXT", nullable: false),
+                    DateAdded = table.Column<DateTime>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_GamblingStats", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_GamblingStats_Feature",
+                table: "GamblingStats",
+                column: "Feature",
+                unique: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "GamblingStats");
+        }
+    }
+}