[MS] Update PDF table extraction to support aligned Markdown (#1499)

* Added PDF table extraction feature with aligned Markdown (#1419)

* Add PDF test files and enhance extraction tests

- Added a medical report scan PDF for testing scanned PDF handling.
- Included a retail purchase receipt PDF to validate receipt extraction functionality.
- Introduced a multipage invoice PDF to test extraction of complex invoice structures.
- Added a borderless table PDF for testing inventory reconciliation report extraction.
- Implemented comprehensive tests for PDF table extraction, ensuring proper structure and data integrity.
- Enhanced existing tests to validate the order and presence of extracted content across various PDF types.

* fix: update dependencies for PDF processing and improve table extraction logic

* Bumped version of pdfminer.six
---------

Authored-by: Ashok <ashh010101@gmail.com>

Author: lesyk

.gitignore

@@ -52,6 +52,7 @@ coverage.xml
 .hypothesis/
 .pytest_cache/
 cover/
+.test-logs/
 
 # Translations
 *.mo

packages/markitdown/pyproject.toml

@@ -41,19 +41,20 @@ all = [
   "openpyxl",
   "xlrd",
   "lxml",
-  "pdfminer.six>=20251107",
+  "pdfminer.six>=20251230",
+  "pdfplumber>=0.11.9",
   "olefile",
   "pydub",
   "SpeechRecognition",
   "youtube-transcript-api~=1.0.0",
   "azure-ai-documentintelligence",
-  "azure-identity"
+  "azure-identity",
 ]
 pptx = ["python-pptx"]
 docx = ["mammoth~=1.11.0", "lxml"]
 xlsx = ["pandas", "openpyxl"]
 xls = ["pandas", "xlrd"]
-pdf = ["pdfminer.six"]
+pdf = ["pdfminer.six>=20251230", "pdfplumber>=0.11.9"]
 outlook = ["olefile"]
 audio-transcription = ["pydub", "SpeechRecognition"]
 youtube-transcription = ["youtube-transcript-api"]