diff --git a/.gitignore b/.gitignore
index 9f6ecdb..31d4199 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+# PERSO CONFIG
+# Covers plantuml 
+*.puml
+
 
 # Created by https://www.toptal.com/developers/gitignore/api/intellij+all,netbeans,java
 # Edit at https://www.toptal.com/developers/gitignore?templates=intellij+all,netbeans,java
diff --git a/uml/diagram_class.png b/uml/diagram_class.png
new file mode 100644
index 0000000..e530c90
Binary files /dev/null and b/uml/diagram_class.png differ