Add HF endpoint in embedder

[Dev-Khant]

Description

Support for huggingface endpoint for embedding models

Fixes #1434

Type of change

Please delete options that are not relevant.

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

How Has This Been Tested?

• Unit Test

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

Maintainer Checklist

• closes #xxxx (Replace xxxx with the GitHub issue number)
• Made sure Checks passed

[codecov]

Codecov Report

Attention: Patch coverage is 62.50000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 54.37%. Comparing base (e3e107b) to head (c0302e8).
Report is 1 commits behind head on main.

Files	Patch %	Lines
embedchain/embedder/huggingface.py	57.14%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1436   +/-   ##
=======================================
  Coverage   54.36%   54.37%           
=======================================
  Files         162      162           
  Lines        6478     6485    +7     
=======================================
+ Hits         3522     3526    +4     
- Misses       2956     2959    +3     

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