Writes Serilog events to a Microsoft.Extensions.Logging.ILogger.
Install the Serilog.Sinks.ILogger package from NuGet:
Install-Package Serilog.Sinks.ILoggerTo configure the sink in C# code, call WriteTo.ILogger() during logger configuration:
var log = new LoggerConfiguration()
    .WriteTo.ILogger(logger)
    .CreateLogger();logger The ILogger.
outputTemplate A message template describing the output messages. See https://github.com/serilog/serilog/wiki/Formatting-Output.
restrictedToMinimumLevel The minimum level for events passed through the sink.