Unstructured

* Adds `requests` as a base dependency
* Fix in `exceeds_cap_ratio` so the function doesn't break with empty text
* Fix bug in `_parse_received_data`.
* Update `detect_filetype` to properly handle `.doc`, `.xls`, and `.ppt`.

* Added `partition_image` to process documents in an image format.
* Fixed utf-8 encoding error in `partition_email` with attachments for `text/html`

* Added support for text files in the `partition` function
* Pinned `opencv-python` for easier installation on Linux

* Added generic `partition` brick that detects the file type and routes a file to the appropriate
partitioning brick.
* Added a file type detection module.
* Updated `partition_html` and `partition_eml` to support file-like objects in 'rb' mode.
* Cleaning brick for removing ordered bullets `clean_ordered_bullets`.
* Extract brick method for ordered bullets `extract_ordered_bullets`.
* Test for `clean_ordered_bullets`.
* Test for `extract_ordered_bullets`.
* Added `partition_docx` for pre-processing Word Documents.
* Added new REGEX patterns to extract email header information
* Added new functions to extract header information `parse_received_data` and `partition_header`
* Added new function to parse plain text files `partition_text`
* Added new cleaners functions `extract_ip_address`, `extract_ip_address_name`, `extract_mapi_id`, `extract_datetimetz`
* Add new `Image` element and function to find embedded images `find_embedded_images`
* Added `get_directory_file_info` for summarizing information about source documents

Enhancements

* **Add databricks delta table connector**

Fixes

* **Fixed namespace issue with pinecone, and added new test**

Fixes

* **Fix Neo4j Uploader string enum error**
* **Fix ChromaDB Destination failing integration tests** - issue lies within the newest ChromaDB release, fix freezes it's version to 0.6.2.