Moved from NLog to Serilog (#1315)

NLog rules and filters were too confusing to use practically for sensitive information logging.

Author: Measurity

NitroxModel/Logger/ColoredConsoleSink.cs

@@ -0,0 +1,55 @@
+using System;
+using Serilog;
+using Serilog.Configuration;
+using Serilog.Core;
+using Serilog.Events;
+using Serilog.Formatting;
+using Serilog.Formatting.Display;
+
+namespace NitroxModel.Logger
+{
+    public class ColoredConsoleSink : ILogEventSink
+    {
+        private readonly ConsoleColor defaultBackground = Console.BackgroundColor;
+        private readonly ConsoleColor defaultForeground = Console.ForegroundColor;
+
+        private readonly ITextFormatter formatter;
+
+        public ColoredConsoleSink(ITextFormatter formatter)
+        {
+            this.formatter = formatter;
+        }
+
+        public void Emit(LogEvent logEvent)
+        {
+            (Console.ForegroundColor, Console.BackgroundColor) = logEvent.Level switch
+            {
+                LogEventLevel.Verbose => (ConsoleColor.DarkGray, defaultBackground),
+                LogEventLevel.Debug => (ConsoleColor.DarkGray, defaultBackground),
+                LogEventLevel.Information => (ConsoleColor.Gray, defaultBackground),
+                LogEventLevel.Warning => (ConsoleColor.Yellow, defaultBackground),
+                LogEventLevel.Error => (ConsoleColor.Red, defaultBackground),
+                LogEventLevel.Fatal => (ConsoleColor.Red, ConsoleColor.Yellow),
+                _ => (defaultForeground, defaultBackground)
+            };
+
+            formatter.Format(logEvent, Console.Out);
+            Console.Out.Flush();
+
+            Console.ForegroundColor = defaultForeground;
+            Console.BackgroundColor = defaultBackground;
+        }
+    }
+
+    public static class ColoredConsoleSinkExtensions
+    {
+        public static LoggerConfiguration ColoredConsole(
+            this LoggerSinkConfiguration loggerConfiguration,
+            LogEventLevel minimumLevel = LogEventLevel.Verbose,
+            string outputTemplate = "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj}{NewLine}{Exception}",
+            IFormatProvider formatProvider = null)
+        {
+            return loggerConfiguration.Sink(new ColoredConsoleSink(new MessageTemplateTextFormatter(outputTemplate, formatProvider)), minimumLevel);
+        }
+    }
+}