Refactored internal code

Published the component as an npm package, so code-native integrations can install it and call its actions, triggers and data sources from code with TypeScript types

Updated spectral to 10.38.5 and switched the build from webpack to tsdown:

• tsdown 0.22.3

Updated Azure Open AI SDK to v6.45.0

Updated spectral version

Migrated to the chat completions API with updated defaults, configuration, and model selection:

• Migrated completions actions to the chat completions API
• Updated default model from gpt-3.5-turbo-instruct to gpt-4o-mini
• Added configurable API Version connection field
• Added Select Model data source for model dropdown selection
• Added model input to Create Image action (replacing hardcoded dalle-3)
• Updated response payload field names

• Updated documentation and various modernizations