remove space in image files and rename them with hyphen

Author: fingers10

MiddlewareDemoComponents/Pages/Blogs/Introduction.razor

@@ -72,7 +72,7 @@
         </p>
 
         <figure>
-            <img src="./image/blogs/middleware/introduction/Middleware Visualization.png" alt="ASP.NET Core Middleware Visualization" class="[ w-full ]" />
+            <img src="./image/blogs/middleware/introduction/middleware-visualization.png" alt="asp.net core middleware visualization" class="[ w-full ]" />
         </figure>
 
 

MiddlewareDemoComponents/Pages/Blogs/MiddlewareTypes.razor

@@ -74,7 +74,7 @@
         </ul>
 
         <figure>
-            <img src="./image/blogs/middleware/types/AspNet Core Middleware Types.png" alt="Types of Middleware in ASP.NET" class="[ w-full ]" />
+            <img src="./image/blogs/middleware/types/aspnet-core-middleware-types.png" alt="types of middleware in asp.net" class="[ w-full ]" />
         </figure>