Updated Library Documentation (markdown)

Library-Documentation.md

@@ -1,6 +1,12 @@
 ## libhelper library
 It provides functions, classes and macros that will make your work easier when writing your string program, such as the name `libhelper`.
 
+
+### Namespaces
+
+#### Helper
+Main namespace of the library.
+
 ```c++
 #include <libhelper/lib.hpp>
 ```