Added .warn weights, improved .warnlog

src/NadekoBot/Migrations/20211121002508_weighted-warnings.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace NadekoBot.Migrations
+{
+    public partial class weightedwarnings : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "Weight",
+                table: "Warnings",
+                type: "INTEGER",
+                nullable: false,
+                defaultValue: 1);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Weight",
+                table: "Warnings");
+        }
+    }
+}