Raspberry Pi 4B Photo Frame Application

[google-labs-jules]

This PR replaces the legacy Android project with a Python-based Photo Frame application designed for Raspberry Pi 4B.

Features:

• Fetches photos from a Google Photos album "Frame".
• Rotates images every 30 seconds.
• Turns off display between 10 PM and 7 AM (configurable).
• Caches images to reduce bandwidth.
• Uses PyGame for efficient rendering.

Note:

• Requires vcgencmd (available on RPi OS) for display power control.
• Requires Google Cloud credentials (client_secret.json).

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PR created automatically by Jules for task 14090650523443547278 started by @van-tran

[google-labs-jules]

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