adding week6 lecture material

.gitignore

lectureCodeExamples/Week6/conditional-rendering/.gitignore

lectureCodeExamples/Week6/conditional-rendering/README.md

...odeExamples/Week6/conditional-rendering/package-lock.json

lectureCodeExamples/Week6/conditional-rendering/package.json

...deExamples/Week6/conditional-rendering/public/favicon.ico

...odeExamples/Week6/conditional-rendering/public/index.html

...Examples/Week6/conditional-rendering/public/manifest.json

lectureCodeExamples/Week6/conditional-rendering/src/App.css

...eCodeExamples/Week6/conditional-rendering/src/App.test.js

lectureCodeExamples/Week6/conditional-rendering/src/Child.js

...ureCodeExamples/Week6/conditional-rendering/src/Parent.js

...ureCodeExamples/Week6/conditional-rendering/src/index.css

lectureCodeExamples/Week6/conditional-rendering/src/index.js

lectureCodeExamples/Week6/conditional-rendering/src/logo.svg

...Examples/Week6/conditional-rendering/src/serviceWorker.js

lectureCodeExamples/Week6/counter/.gitignore

lectureCodeExamples/Week6/counter/README.md

lectureCodeExamples/Week6/counter/package-lock.json

lectureCodeExamples/Week6/counter/package.json