Added the word guessing game ...

new file:   html/word-guesser/config.yaml
	new file:   html/word-guesser/css/styles.css
	new file:   html/word-guesser/index.html
	new file:   html/word-guesser/scripts/script.js
	new file:   html/word-guesser/scripts/tests.js
	modified:   navLinks.json

new file: presentation.yaml