feat(node): Fix some missing files and bump version

diagrams/azure/__init__.py

@@ -0,0 +1,14 @@
+
+   
+"""
+Azure provides a set of services for Microsoft Azure provider.
+"""
+
+from diagrams import Node
+
+
+class _Azure(Node):
+    _provider = "azure"
+    _icon_dir = "resources/azure"
+
+    fontcolor = "#ffffff"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "diagrams"
-version = "0.21.1"
+version = "0.22.1"
 description = "Diagram as Code"
 license = "MIT"
 authors = ["mingrammer <mingrammer@gmail.com>"]