Add Erlang and Elixir icons (#275)

* Add Erlang and Elixir icons

* Update Elixir logo with clean one

* Update logo again with higher dpi ver

Co-authored-by: Daniils Petrovs <dpetrovs@evolutiongaming.com>

diagrams/programming/language.py

@@ -28,6 +28,14 @@ class Dart(_Language):
     _icon = "dart.png"
 
 
+class Elixir(_Language):
+    _icon = "elixir.png"
+
+
+class Erlang(_Language):
+    _icon = "erlang.png"
+
+
 class Go(_Language):
     _icon = "go.png"
 

docs/nodes/programming.md

@@ -26,6 +26,8 @@ Node classes list of programming provider.
 - **diagrams.programming.language.Cpp**
 - **diagrams.programming.language.Csharp**
 - **diagrams.programming.language.Dart**
+- **diagrams.programming.language.Elixir**
+- **diagrams.programming.language.Erlang**
 - **diagrams.programming.language.Go**
 - **diagrams.programming.language.Java**
 - **diagrams.programming.language.Javascript**, **JavaScript** (alias)