IPEX embedder compatibility with Haystack v2.4+ (#74)

* Updated IPEX embedder to work with new Haystack version (2.7)

Signed-off-by: gadmarkovits <gad.markovits@intel.com>

* Updated after running pre-commit

Signed-off-by: gadmarkovits <gad.markovits@intel.com>

---------

Signed-off-by: gadmarkovits <gad.markovits@intel.com>

Bump

Version bump

Update setup.py (#53)

Adding pypi packaging support (#51)

* Adding pypi packaging support
* Update version

Compatibility with Haystack v2

Co-authored-by: Peter Izsak <peter.izsak@intel.com>
Co-authored-by: Moshe Berchansky <moshe.berchansky@intel.com>

Update README.md

ColBERT Upstream Updates (#19)

- `IndexUpdater` class for adding/removing new documents from an existing index.
- `class_factory` wrapper for `HF_ColBERT` to initializing new types of models:
  - AutoModel
  - BERT
  - Deberta
  - Electra
  - Roberta
  - XLMRoberta
- README updates.

Update colbert.py (#18)

add checkpoint loading to colbert ranker

Retrieval Augmented Generation with LLM Demo (#16)

- Added a new RAG + prompt + LLM UI (demo).
- Added an example config and notebook.
- Updated main README with "updates" sub-section.
- Updated `run_demo.py` to include all the options to run a demo (UI, UI + service, UI + <user_defined_service>)