Implement design updates to onboarding flow

[s-c-orr]

Figma link

• [ ] add tips about selecting a location on the grid and selecting a swing type to the first swing
• [ ] players can click anywhere outside of a tip to close it
• [ ] add tooltip icon that re-opens closed tips
• [ ] add animation to 'swing' button for the first swing
• [ ] add pitch history tip to the third swing
• [ ] change text on 'Join Fullcount' button to 'Sign me up!' and add button animation
• [ ] remember the character image the player selected for the demo and use it as the default on the character creation screen
• [ ] any other details from Figma