Adding first help framework

modeling/DIPLODOCUS/SmartCardProtocol.xml

src/main/java/help/HelpEntry.java

src/main/java/help/HelpManager.java

src/main/java/myutil/Conversion.java

src/main/java/ui/MainGUI.java

src/main/java/ui/util/IconManager.java

src/main/resources/help/avatar.md

src/main/resources/help/diplodocus.html

src/main/resources/help/helpTable.txt