Added drogon example config

examples/drogon/.clang-uml

@@ -0,0 +1,41 @@
+compilation_database_dir: build
+output_directory: puml
+diagrams:
+  all_classes_diagram:
+    type: class
+    glob:
+      - lib/inc/drogon/*.h
+    using_namespace:
+      - drogon
+    include:
+      namespaces:
+        - drogon
+    exclude:
+      namespaces:
+        - drogon::internal
+        - drogon::test
+      access:
+        - public
+        - protected
+        - private
+  drobjectbase_hierarchy:
+    type: class
+    glob:
+      - lib/inc/drogon/*.h
+    using_namespace:
+      - drogon
+    include:
+      namespaces:
+        - drogon
+      subclasses:
+        - drogon::DrObjectBase
+      relationships:
+        - inheritance
+    exclude:
+      namespaces:
+        - drogon::internal
+        - drogon::test
+      access:
+        - public
+        - protected
+        - private