fix(doc): Correct HTML entity references in mermaid diagrams for Echo and Wind documentation

Signed-off-by: Nikola Hristov <Nikola@PlayForm.Cloud>

Author: NikolaRHristov

Source/Content/doc/echo.md

@@ -28,7 +28,7 @@ graph TB
     subgraph Echo["Echo Scheduler"]
         subgraph TaskLayer["Task Layer"]
             TaskLayer_Priority["Priority enum"]
-            TaskLayer_Wrapper["Task<F> wrapper"]
+            TaskLayer_Wrapper["Task<F> wrapper"]
             TaskLayer_Future["Future integration"]
         end
         subgraph SchedLayer["Scheduler Layer"]
@@ -37,7 +37,7 @@ graph TB
             SchedLayer_Shutdown["Graceful shutdown"]
         end
         subgraph QueueLayer["Queue Layer"]
-            QueueLayer_Deque["StealingQueue&lt;T&gt;"]
+            QueueLayer_Deque["StealingQueue<T>"]
             QueueLayer_Injector["Injector / Stealer"]
             QueueLayer_Xbeam["crossbeam-deque"]
         end

Source/Content/doc/wind.md

@@ -130,7 +130,7 @@ Define/Implement/Problem pattern:
 
 ```mermaid
 graph TB
-    Dir["Effect/<Service>/"]
+    Dir["Effect/<Service>/"]
     Dir --> Define["Define.ts<br/>The service Tag<br/>(Effect-TS service identifier)"]
     Dir --> Implement["Implement.ts<br/>The service implementation<br/>(for TauriLiveLayer)"]
     Dir --> Problem["Problem.ts<br/>Typed error effects"]