Upstream

[sameerasw]

This pull request updates the README.md to reflect new and improved features, clarifies requirements, and makes minor formatting and content adjustments. In the codebase, it improves the BatteriesWidget by harmonizing the warning color with the primary theme color and adjusts widget background handling for better theme consistency.

Documentation updates and feature listing:

• Added new features to the README, including "A keyboard" and new Quick Settings tiles such as "Stay Awake", "Maps Power Saving Mode", and "Adaptive Brightness". Also clarified the description for "DIY Automation" and improved capitalization and formatting for feature names. [1] [2] [3]
• Updated requirements in the README to Android 8.0 or higher and clarified device targeting to include other Androids beyond Google Pixel.
• Updated the "Last updated" date in the README for accuracy.

Codebase improvements for widget theming:

• In BatteriesWidget.kt, introduced use of MaterialColors.harmonizeWithPrimary to ensure the warning color is harmonized with the app's primary color, improving visual consistency. [1] [2] [3]
• Changed widget background handling to use GlanceTheme.colors.widgetBackground instead of the generic surface color, ensuring better adherence to the intended widget theme.