Add Startup Events to Database

Now emit startup events on conneciton
Some events still to add

Pulsar/Context/Configuration/LocationConfiguration.cs

@@ -0,0 +1,34 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Observatory.Framework.Files.Journal.Travel;
+
+namespace Pulsar.Context.Configuration;
+
+public class LocationConfiguration : IEntityTypeConfiguration<Location>
+{
+    public void Configure(EntityTypeBuilder<Location> builder)
+    {
+        builder.OwnsOne(l => l.StarPos, b => b.ToJson());
+        builder.OwnsMany(l => l.Conflicts, b =>
+        {
+            b.OwnsOne(c => c.FirstFaction, c => c.ToJson());
+            b.OwnsOne(c => c.SecondFaction, c => c.ToJson());
+            b.ToJson();
+        });
+        builder.OwnsOne(l => l.StationFaction, b => b.ToJson());
+        builder.OwnsOne(l => l.SystemFaction, b =>
+        {
+            b.OwnsMany(s => s.ActiveStates, sb => sb.ToJson());
+            b.OwnsMany(s => s.RecoveringStates, rb => rb.ToJson());
+            b.ToJson();
+        });
+        builder.OwnsMany(l => l.Factions, b =>
+        {
+            b.OwnsMany(f => f.ActiveStates, fb => fb.ToJson());
+            b.OwnsMany(f => f.RecoveringStates, rb => rb.ToJson());
+            b.ToJson();
+        });
+        builder.OwnsMany(l => l.StationEconomies, sb => sb.ToJson());
+        builder.OwnsOne(l => l.ThargoidWar, tb => tb.ToJson());
+    }
+}