Add initial implementation of API, database, and user management components.

MikrocopDb/AppDbContextFactory.cs

@@ -0,0 +1,15 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+
+namespace MikrocopDb;
+
+public sealed class AppDbContextFactory : IDesignTimeDbContextFactory<AppDbContext>
+{
+    public AppDbContext CreateDbContext(string[] args)
+    {
+        var optionsBuilder = new DbContextOptionsBuilder<AppDbContext>();
+        optionsBuilder.UseSqlite("Data Source=mikrocop.db");
+
+        return new AppDbContext(optionsBuilder.Options);
+    }
+}