[Docs] Align supported models, remove SUPPORTED_MODELS.md

[yatarkan]

Ticket: CVS-169351

Preview: https://yatarkan.github.io/openvino.genai/docs/supported-models/

[Copilot]

Pull Request Overview

This PR migrates the supported models documentation from a standalone markdown file to an integrated web documentation page. The changes consolidate model information into a more maintainable format and update all references to point to the new hosted documentation.

• Replace standalone SUPPORTED_MODELS.md with web-based documentation
• Add new model categories (Text Embeddings and Speech Generation) to the documentation site
• Update all references across samples and documentation to point to the new web URL

Reviewed Changes

Copilot reviewed 19 out of 19 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
SUPPORTED_MODELS.md	Complete removal of the standalone markdown file
site/docs/supported-models/index.mdx	Added new model sections for text embeddings and speech generation
site/docs/supported-models/_components/text-embeddings-models-table/	New React component and data for text embeddings models
site/docs/supported-models/_components/speech-generation-models-table/	New React component and data for speech generation models
site/docs/supported-models/_components/llm-models-table/models.ts	Updated model data with new entries and formatting fixes
Various sample README files	Updated references to point to new web documentation