feat: WIP connections query endpoint

Models/Request/QueryPuzzlesRequest.cs

@@ -0,0 +1,7 @@
+namespace ConnectionsAPI.Models.Request;
+
+public class QueryPuzzlesRequest
+{
+  [QueryParam] public int Page { get; set; }
+  [QueryParam] public int Count { get; set; }
+}

Models/Response/PagedDataResponse.cs

@@ -0,0 +1,8 @@
+namespace ConnectionsAPI.Models.Response;
+
+public record PagedDataResponse<T>(
+  int Page,
+  int Count,
+  int MaxCount,
+  ICollection<T> Data
+);