Updates say and added getting started and add a sprite

src/lib/libraries/decks/animate/animate-name-spin.gif

src/lib/libraries/decks/index.jsx

src/lib/libraries/decks/intro/intro-move-change-color.gif

src/lib/libraries/decks/say/intro-say-hello.gif

src/lib/libraries/decks/sprite/intro-choose-sprite.gif