feat(api): статистика созданных шаблонов в БД ПАРР

PARR.API/Contracts/V1/ApiRoutes.cs

@@ -208,6 +208,7 @@
         public static class StatTemplate
         {
             public const string Get = BaseStat + "/templates/";
+            public const string GetForPeriod = BaseStat + "/templates/period";
         }
 
         public static class StatHost

PARR.API/Contracts/V1/Responses/Statistics/StatTemplatePeriodResponse.cs

@@ -0,0 +1,9 @@
+namespace PARR.API.Contracts.V1.Responses.Statistics
+{
+    public class StatTemplatePeriodResponse
+    {
+        public DateOnly Date { get; set; }
+
+        public int CreatedTemplatesCount { get; set; }
+    }
+}