Replace keda-http with wasmedge (#305)

Signed-off-by: Benjamin Huo <benjamin@kubesphere.io>

Signed-off-by: Benjamin Huo <benjamin@kubesphere.io>

Author: benjaminhuo

content/en/_index.html

@@ -23,7 +23,7 @@
 {{% blocks/section color="white" %}}
 
 <div class="container">
-<img src="openfunction-0.5-architecture.png" alt="OpenFunction Architecture" width="100%" style="margin: 1rem 0 5rem 0" />
+<img src="openfunction-0.5-architecture.svg" alt="OpenFunction Architecture" width="100%" style="margin: 1rem 0 5rem 0" />
 
 <div style="margin:0 auto; max-width:800px">