Update Readme for Umbraco v7.5 new Media folder Web.config

Author: Jeavon

README.md

@@ -114,6 +114,21 @@ The following configuration is required in your `web.config` to enable static fi
     </location>
   </configuration>
 ```
+
+For **Umbraco v7.5+ you must add the the StaticFileHandler** to the new Web.config inside the `Media` folder instead of the root one or the VPP will not work!
+
+```xml
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+	<system.webServer>
+		<handlers>
+			<clear />
+			<add name="StaticFileHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.StaticFileHandler" />
+			<add name="StaticFile" path="*" verb="*" modules="StaticFileModule,DefaultDocumentModule,DirectoryListingModule" resourceType="Either" requireAccess="Read" />
+		</handlers>
+	</system.webServer>
+</configuration>
+```
 
 ## Combining with ImageProcessor