Add project files.

PracticeCalendar.Infrastructure/Notification/FileEmailSender.cs

@@ -0,0 +1,21 @@
+using Microsoft.Extensions.Logging;
+using PracticeCalendar.Domain.Interfaces;
+
+namespace PracticeCalendar.Infrastructure.Notification
+{
+    public class FileEmailSender : IEmailSender
+    {
+        private readonly ILogger<FileEmailSender> logger;
+
+        public FileEmailSender(ILogger<FileEmailSender> logger)
+        {
+            this.logger = logger;
+        }
+        public Task SendEmailAsync(string to, string from, string subject, string body)
+        {
+            logger.LogDebug($"Sending email from {from}, to {to}, subject {subject}, body {body}");
+            //TODO save email content to a file
+            return Task.CompletedTask;
+        }
+    }
+}