Add functionality to add span name withAdditionalAttributes function and add disabling of tracing of attributes via init and env var

[rohit-kadhe]

…add functionality to disable tracing prompts and completions via TRACE_PROMPT_COMPLETION_DATA env var

Description

Please include a summary of the changes and the related issue to help is review the PR better and faster.

Checklist for adding new integration:

• [ ] Defined APIS in constants folder.
• [ ] Updated SERVICE_PROVIDERS in common.ts
• [ ] Created a folder under instrumentation with the name of the integration with atleast patch.ts and instrumentation.ts files.
• [ ] Added instrumentation in allInstrumentations in init.ts and to the InstrumentationType in types.ts files.
• [ ] Added examples for the new integration in the examples folder.
• [ ] Updated package.json to install new dependencies for devDependencies.
• [ ] Updated the README.md of langtrace-typescript-sdk to include the new integration in the supported integrations table.
• [ ] Updated the README.md of Langtrace's repository to include the new integration in the supported integrations table.
• [ ] Added new integration page to supported integrations in Langtrace Docs