feat(node): add JFrog artifactory (#789)

* Add jfrog artifactory node

* Added jfrog image

* updated docs

* Update registry.py

diagrams/onprem/registry.py

@@ -12,4 +12,8 @@ class Harbor(_Registry):
     _icon = "harbor.png"
 
 
+class JFrog(_Registry):
+    _icon = "jfrog.png"
+
+
 # Aliases

docs/nodes/onprem.md

@@ -500,6 +500,9 @@ Node classes list of onprem provider.
 <img width="30" src="/img/resources/onprem/registry/harbor.png" alt="Harbor" style="float: left; padding-right: 5px;" >
 **diagrams.onprem.registry.Harbor**
 
+<img width="30" src="/img/resources/onprem/registry/jfrog.png" alt="Harbor" style="float: left; padding-right: 5px;" >
+**diagrams.onprem.registry.JFrog**
+
 ## onprem.search