feat(node): Added RedHat as a generic OS (#780)

diagrams/generic/os.py

@@ -32,6 +32,10 @@ class Raspbian(_Os):
     _icon = "raspbian.png"
 
 
+class RedHat(_Os):
+    _icon = "red-hat.png"
+
+
 class Suse(_Os):
     _icon = "suse.png"
 

docs/nodes/generic.md

@@ -71,6 +71,9 @@ Node classes list of generic provider.
 <img width="30" src="/img/resources/generic/os/raspbian.png" alt="Raspbian" style="float: left; padding-right: 5px;" >
 **diagrams.generic.os.Raspbian**
 
+<img width="30" src="/img/resources/generic/os/red-hat.png" alt="RedHat" style="float: left; padding-right: 5px;" >
+**diagrams.generic.os.RedHat**
+
 <img width="30" src="/img/resources/generic/os/suse.png" alt="Suse" style="float: left; padding-right: 5px;" >
 **diagrams.generic.os.Suse**
 

docs/nodes/onprem.md

@@ -490,7 +490,9 @@ Node classes list of onprem provider.
 
 ## onprem.registry
 
-- **diagrams.onprem.registry.Harbor**
+
+<img width="30" src="/img/resources/onprem/registry/harbor.png" alt="Harbor" style="float: left; padding-right: 5px;" >
+**diagrams.onprem.registry.Harbor**
 
 ## onprem.search