feat: show progress bar when embedding using local model

[wilson-nomic]

Show a progress bar when using nomic.embed.text(..., inference_mode="local").

Resolves https://linear.app/nomic/issue/NOM-2283/tqdm-progress-bar-for-embedtext-would-be-nice.

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Important

Adds a progress bar to _text_embed4all() in nomic/embed.py for local text embedding, updating with each batch processed.

• Behavior:
  • Adds a progress bar using tqdm in _text_embed4all() in nomic/embed.py for local text embedding.
  • Progress bar updates for each batch of texts processed, providing real-time feedback.
• Misc:
  • Resolves issue NOM-2283 regarding the addition of a progress bar for embed.text() with inference_mode="local".

^{This description was created by for d438bae. It will automatically update as commits are pushed.}

[mcembalest]

Tested and working for me locally, thank you for this. Approved and good to merge once tests are passing