- Working backend with metric, trace and counter diagnostics
- Diagnostic interface implementation with ring buffer storage
- Added option ENABLE_ESP_DIAGNOSTICS_TRACE in chip KConfig
- Added required options for enabling matter diagnostic trace in project Kconfig
- Enabled diagnostic trace for temperature-measurement-app example

- Resolve buffer related issues
- Add store diagnostic call for trace_end and trace_instant
- Update scoped macro
- Remove extra namespace values, spaces and print statements
- Remove evicthead call for circular buffer after read successful

- Resolve buffer issues
- Use single buffer for store and retrieve of diagnostics
- Resolve data loss issue

…essary comments, format files, namespace changes

… design

…ing diagnostic

…stant