add avatar spritesheet for neighborhood with placeholders for turn

[JillianK]

Since we don't have turn animation, I used the idle painter for everything in the format: North Painter x4, East Painter x4, South Painter x4, West Painter x4.

PR Checklist:

• Tests provide adequate coverage
• Privacy and Security impacts have been assessed
• Code is well-commented
• New features are translatable or updates will not break translations
• Relevant documentation has been added or updated
• User impact is well-understood and desirable
• Pull Request is labeled appropriately
• Follow-up work items (including potential tech debt) are tracked and linked

[molly-moen]

thank you!