Fix broken icon for services

Fix #41

Signed-off-by: Oz Tiram <[email protected]>

docs/content/en/_index.html

@@ -51,7 +51,7 @@ Send and receive files between hosts also outside the VPN
 {{% /blocks/feature %}}
 
 
-{{% blocks/feature icon="fab fa-project-diagram" title="Services" %}}
+{{% blocks/feature icon="fa fa-project-diagram" title="Services" %}}
 Expose and route TCP services over the p2p network also without the VPN
 {{% /blocks/feature %}}