feature: add "The Horrible Rotten Dancing Dragon" game

[jonatasdemello]

Description

Add "The Horrible Rotten Dancing Dragon" (Softline by Ken Rose) game shared by @dfabulich

Types of changes

• [X ] New feature (non-breaking change which adds functionality)

References

Code shared at:

https://github.com/dfabulich/horrible-rotten-dancing-dragon-strikes https://github.com/dfabulich/horrible-rotten-dancing-dragon-strikes/blob/master/dragon.bas

More info at The Interactive Fiction Database site:

https://ifdb.org/viewgame?id=2bavj7k3yeckppxj http://solutionarchive.com/game/id%2C1620/Horrible+Rotten+Dancing+Dragon...Strikes%21%21%21%2C+The.html

Available to play at:

http://bbcmicro.co.uk/index.php

http://bbcmicro.co.uk/jsbeeb/play.php?loadBasic=https://raw.githubusercontent.com/dfabulich/horrible-rotten-dancing-dragon-strikes/master/bbcmicro.bas&autorun