Adding a first help framework

Makefile

src/main/java/help/HelpEntry.java

src/main/java/help/HelpManager.java

src/main/java/ui/MainGUI.java

src/main/resources/help/architecture.html

src/main/resources/help/architecture.md

src/main/resources/help/clockdivider.html

src/main/resources/help/clockdivider.md

src/main/resources/help/cpu.html

src/main/resources/help/cpu.md

src/main/resources/help/diplodocus.html

src/main/resources/help/diplodocus.md

src/main/resources/help/general.html

src/main/resources/help/general.md

src/main/resources/help/helpTable.txt