rename image name and link with correct name

Author: egekorkan

topics/web-of-things/index.md

@@ -7,7 +7,7 @@ wikipedia_url: https://en.wikipedia.org/wiki/Web_of_Things
 related: iot, servient, web, semantic-web, json-ld
 url: https://www.w3.org/WoT/
 created_by: W3C WoT Working Group
-logo: WOT-transparent.png
+logo: web-of-things.png
 ---
 The Web of Things (WoT) seeks to counter the fragmentation of the IoT by using and extending existing, standardized Web technologies. 
 By providing standardized metadata and other reusable technological building blocks, W3C WoT enables easy integration across IoT platforms and application domains.