jessikitty 4e3201c604 Add automated template migration script ...

Automatically migrates legacy template syntax to modern template: syntax:
- Scans all YAML files for platform: template definitions
- Converts sensors and binary_sensors to modern format
- Creates timestamped backups
- Removes legacy definitions
- Adds modern template: section to configuration.yaml
- Preserves all template features (icons, attributes, device_class, etc)
- Generates restore script for rollback

Fixes all 67 template deprecation warnings automatically.

2025-12-23 11:27:24 +11:00

12 KiB

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