feat(node): add Tyk node (#449)

diagrams/onprem/network.py

@@ -108,6 +108,10 @@ class Traefik(_Network):
     _icon = "traefik.png"
 
 
+class Tyk(_Network):
+    _icon = "tyk.png"
+
+
 class Vyos(_Network):
     _icon = "vyos.png"
 

docs/nodes/onprem.md

@@ -190,6 +190,7 @@ Node classes list of onprem provider.
 - **diagrams.onprem.network.Powerdns**
 - **diagrams.onprem.network.Tomcat**
 - **diagrams.onprem.network.Traefik**
+- **diagrams.onprem.network.Tyk**
 - **diagrams.onprem.network.Vyos**, **VyOS** (alias)
 - **diagrams.onprem.network.Wildfly**
 - **diagrams.onprem.network.Zookeeper**