Update Pinecone index embeddings behaviors, remove outdated how-to video

[Paul-Cornell]

See:

• https://unstructured-53-pinecone-connector-2025-10-31.mintlify.app/ui/destinations/pinecone
• https://unstructured-53-pinecone-connector-2025-10-31.mintlify.app/api-reference/workflow/destinations/pinecone
• https://unstructured-53-pinecone-connector-2025-10-31.mintlify.app/open-source/ingestion/destination-connectors/pinecone
• https://unstructured-53-pinecone-connector-2025-10-31.mintlify.app/examplecode/tools/vectorshift

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Note

Updates Pinecone docs with explicit API key and serverless index setup instructions and embedding dimension requirements; removes outdated YouTube videos from related pages.

• Docs: Pinecone prerequisites (snippets/general-shared-text/pinecone.mdx)
  • Add explicit steps to create a Pinecone API key.
  • Clarify serverless index behavior and setup:
    • Index creation optional; auto-creation naming patterns detailed.
    • Require embedder node and matching embedding dimensions; failures documented when mismatched.
    • Add step-by-step serverless index creation with warnings to avoid Pinecone-generated embeddings and to match dimensions; specify metric and defaults.
• UI: Pinecone destination (ui/destinations/pinecone.mdx)
  • Remove embedded how-to video; simplify language to reference shared prerequisites.
• Example: VectorShift (examplecode/tools/vectorshift.mdx)
  • Remove embedded YouTube video from prerequisites.

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