Multi Vector Textual Inversion (#3144)
* Multi Vector
* Improve
* fix multi token
* improve test
* make style
* Update examples/test_examples.py
* Apply suggestions from code review
Co-authored-by: Suraj Patil <surajp815@gmail.com>
* update
* Finish
* Apply suggestions from code review
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Co-authored-by: Suraj Patil <surajp815@gmail.com>
