This commit standardizes the naming of identifier and API key fields
across the codebase to use consistent camel case (e.g., `ID`, `APIKey`,
`DatabaseURL`). This includes updates to struct fields, method names,
function parameters, and environment variable references. The changes
improve code clarity and maintainability by reducing ambiguity and
aligning with Go naming conventions. No functional behavior is changed.
Introduce slog-based structured logging throughout the booking service
and
server handlers. Add configurable log level via LOG_LEVEL environment
variable. Replace legacy log usage with slog and propagate logger to
booking service for improved observability.
* refactor return error when building booking service
* fix the description
* set taxable item by amount
* auto create tax items if the item is taxable
* fix linter
* remove legacy tax entry
* display multiple items
* use the price from the form
* improve item sorting
* lintfix
* add comments to main file
* create health check handler
health check
* use naming convention for booking handler
* use naming convention for hamndlers
naming convention
* clean up
