Merge pull request #8 from urboob21/dev_branch

Added the composite pattern example

Author: urbytes21

CMakeLists.txt

@@ -92,6 +92,7 @@ set(APP_SOURCES
     "src/patterns/structural/Adapter.cpp"
     "src/patterns/structural/Bridge.cpp"
     "src/patterns/structural/Proxy.cpp"
+    "src/patterns/structural/Composite.cpp"
 )
 
 # Test files