update multitool image

examples/network-multitool/README.md

@@ -1,3 +1,3 @@
 # References
 
-- https://hub.docker.com/r/praqma/network-multitool
+- https://github.com/wbitt/Network-MultiTool

examples/network-multitool/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3"
 
 services:
   network-multitool:
-    image: praqma/network-multitool:alpine-extra
+    image: wbitt/network-multitool:alpine-extra
     container_name: network-multitool
     environment:
       - HTTP_PORT=9988 # useful to daemonize the container; see https://hub.docker.com/r/praqma/network-multitool