Remove theme setting to use system default

Use system default theme settings

Rename main page to Quick Stats

Add advanced analytics features

Fix API limit error - SDK handles pagination

Remove sql.Connection type hint causing AttributeError

Fix app.yaml for Databricks Apps runtime

Simplify app.yaml and make SQL warehouse optional

Fix SQL client credential provider for Databricks Apps

Fix app.yaml valueFrom syntax for SQL warehouse resource

Initial commit: Databricks Job Observability App