Fix typo in directory structure and adjust case sensitivity in ECS configuration.

Author: terabytesoftw

README.md

@@ -61,7 +61,7 @@ root
 ├── src             
 │   ├── framework 
 │   │   ├── asset           Asset bundle files.
-│   │   ├── envent          Event handler files.
+│   │   ├── event           Event handler files.
 │   │   └── resource 
 │   │       ├── css         Css files.
 │   │       ├── js          Js files.

ecs.php

@@ -58,6 +58,6 @@
         [
             '*/src/framework/resource/layout/*',
             '*/src/usecase/contact/view/*',
-            '*/src/useCase/site/view/*',
+            '*/src/usecase/site/view/*',
         ],
     );