add mysql database provider (#1375)

* refactor sqlite into separate library

* support mysql

* fixes

* sql fixes

* cleanup

* update changelog

ErsatzTV.Infrastructure.Sqlite/Data/SqliteTypeHandlers.cs

@@ -0,0 +1,29 @@
+using System.Data;
+using Dapper;
+
+namespace ErsatzTV.Infrastructure.Sqlite.Data;
+
+public abstract class SqliteTypeHandler<T> : SqlMapper.TypeHandler<T>
+{
+    // Parameters are converted by Microsoft.Data.Sqlite
+    public override void SetValue(IDbDataParameter parameter, T value)
+        => parameter.Value = value;
+}
+
+public class DateTimeOffsetHandler : SqliteTypeHandler<DateTimeOffset>
+{
+    public override DateTimeOffset Parse(object value)
+        => DateTimeOffset.Parse((string)value);
+}
+
+public class GuidHandler : SqliteTypeHandler<Guid>
+{
+    public override Guid Parse(object value)
+        => Guid.Parse((string)value);
+}
+
+public class TimeSpanHandler : SqliteTypeHandler<TimeSpan>
+{
+    public override TimeSpan Parse(object value)
+        => TimeSpan.Parse((string)value);
+}