Updated to net5.0 and updated most nuget packages. Also fixed the nuspec files. + Fix typo Persistance => Persistence.

src/Umbraco.Persistence.SqlCe/SqlCeEmbeddedDatabaseCreator.cs

@@ -0,0 +1,18 @@
+using Umbraco.Core;
+using Umbraco.Core.Migrations.Install;
+using Umbraco.Core.Persistence;
+
+namespace Umbraco.Persistence.SqlCe
+{
+    public class SqlCeEmbeddedDatabaseCreator : IEmbeddedDatabaseCreator
+    {
+        public string ProviderName => Constants.DatabaseProviders.SqlCe;
+
+        public string ConnectionString { get; set; } = DatabaseBuilder.EmbeddedDatabaseConnectionString;
+        public void Create()
+        {
+            var engine = new System.Data.SqlServerCe.SqlCeEngine(ConnectionString);
+            engine.CreateDatabase();
+        }
+    }
+}