Add store log analysis feature and related data structures

- Implement AnalyzeSlotUnregistrationsAsync method to retrieve and report store log data for cooperating stores in region 139.
- Introduce StoreLogProfileEntry record to aggregate log information.
- Add StoreLog endpoint for API access.
- Create GetStoreLogAsync and GetStoreLogEntriesAsync methods for fetching and deserializing store log entries.
- Update Program.cs to include the new analysis task option.

Cli/Endpoints.cs

@@ -17,6 +17,7 @@ namespace FsToolbox.Cli
         public static string UserCurrent => $"{ApiBase}/api/user/current";
 
         public static string UserLogin => $"{ApiBase}/api/user/login";
+    public static string StoreLog => $"{ApiBase}/api/stores/{{0}}/log/{{1}}/{{2}}/{{3}}";
 
         #endregion