Most services are implemented as command/queries

Code cleanup

ModernKeePass.Application/Security/Queries/EstimatePasswordComplexity/EstimatePasswordComplexityQuery.cs

@@ -0,0 +1,25 @@
+using MediatR;
+using ModernKeePass.Application.Common.Interfaces;
+
+namespace ModernKeePass.Application.Security.Queries.EstimatePasswordComplexity
+{
+    public class EstimatePasswordComplexityQuery : IRequest<uint>
+    {
+        public string Password { get; set; }
+
+        public class EstimatePasswordComplexityQueryHandler : IRequestHandler<EstimatePasswordComplexityQuery, uint>
+        {
+            private readonly IPasswordProxy _security;
+
+            public EstimatePasswordComplexityQueryHandler(IPasswordProxy security)
+            {
+                _security = security;
+            }
+
+            public uint Handle(EstimatePasswordComplexityQuery message)
+            {
+                return _security.EstimatePasswordComplexity(message.Password);
+            }
+        }
+    }
+}