feat: add logs and observability pages

- Created a new LogsPage component to display structured log entries with filtering and pagination capabilities.
- Implemented log level filtering with KPI badges for different log levels (debug, info, warn, error).
- Added search functionality to filter logs by message content.
- Introduced auto-refresh feature for logs.
- Developed a detailed log view with collapsible rows to show additional metadata.
- Created an ObservabilityPage component to visualize trace performance and errors.
- Implemented filtering for traces by name and status (OK, Error, Unset).
- Added KPI cards to display total traces, average duration, error rate, and total errors.
- Integrated a detail view for traces with attributes and events displayed in a JSON format.
- Enhanced UI with responsive design and loading states using skeleton components.