Add support for conversion via Document Intelligence (#303)

* added cli params for doc intel

* added DocumentIntelligenceConverter class implementation

* initialized doc intel client instance field

* added isolated doc_intel main conversion function

* temp fix for ContentFormat import bug

* ran tests for docintel and offline for many filetypes

* push doc intel converter to the top of the stack

* formatting changes

* modified project toml file

pyproject.toml

@@ -42,6 +42,8 @@ dependencies = [
   "pathvalidate",
   "charset-normalizer",
   "openai",
+  "azure-ai-documentintelligence",
+  "azure-identity"
 ]
 
 [project.urls]