Add init weapon scraper

BlueLaminate/BlueLaminate.EFCore/Configurations/ScrapeRunConfiguration.cs

@@ -0,0 +1,14 @@
+using BlueLaminate.EFCore.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace BlueLaminate.EFCore.Configurations;
+
+public class ScrapeRunConfiguration : IEntityTypeConfiguration<ScrapeRun>
+{
+    public void Configure(EntityTypeBuilder<ScrapeRun> entity)
+    {
+        // The throttle check looks up the most recent run for a given source.
+        entity.HasIndex(e => new { e.Source, e.RanAt });
+    }
+}