SparkNLP 1005 implement nomic embeddings

[prabod]

This PR introduces nomic embeddings to Spark NLP

Description

nomic-embed-text-v1 is 8192 context length text encoder that surpasses OpenAI text-embedding-ada-002 and text-embedding-3-small performance on short and long context tasks.

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING page.
• I have added tests to cover my changes.
• All new and existing tests passed.

[jtattersall09403]

Hi, has there been any further progress on this PR? Are there any estimated timescales for when it might be completed? Thanks!

[maziyarpanahi]

Hi, has there been any further progress on this PR? Are there any estimated timescales for when it might be completed? Thanks!

We are preparing this PR to be included in the next release :)

[coveralls]

Pull Request Test Coverage Report for Build 10656294335

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 62.422%

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Totals
Change from base Build 10656276853:	0.0%
Covered Lines:	8970
Relevant Lines:	14370

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💛 - Coveralls