chore: updated docs for docling

README.md

@@ -72,28 +72,36 @@ Open source and easy to deploy locally.
 
 ## 📄 **Supported File Extensions**
 
-> **Note**: File format support depends on your ETL service configuration. LlamaCloud supports 50+ formats, while Unstructured supports 34+ core formats.
+> **Note**: File format support depends on your ETL service configuration. LlamaCloud supports 50+ formats, Unstructured supports 34+ core formats, and Docling (core formats, local processing, privacy-focused, no API key).
 
 ### Documents & Text
 **LlamaCloud**: `.pdf`, `.doc`, `.docx`, `.docm`, `.dot`, `.dotm`, `.rtf`, `.txt`, `.xml`, `.epub`, `.odt`, `.wpd`, `.pages`, `.key`, `.numbers`, `.602`, `.abw`, `.cgm`, `.cwk`, `.hwp`, `.lwp`, `.mw`, `.mcw`, `.pbd`, `.sda`, `.sdd`, `.sdp`, `.sdw`, `.sgl`, `.sti`, `.sxi`, `.sxw`, `.stw`, `.sxg`, `.uof`, `.uop`, `.uot`, `.vor`, `.wps`, `.zabw`
 
 **Unstructured**: `.doc`, `.docx`, `.odt`, `.rtf`, `.pdf`, `.xml`, `.txt`, `.md`, `.markdown`, `.rst`, `.html`, `.org`, `.epub`
 
+**Docling**: `.pdf`, `.docx`, `.html`, `.htm`, `.xhtml`, `.adoc`, `.asciidoc`
+
 ### Presentations
 **LlamaCloud**: `.ppt`, `.pptx`, `.pptm`, `.pot`, `.potm`, `.potx`, `.odp`, `.key`
 
 **Unstructured**: `.ppt`, `.pptx`
 
+**Docling**: `.pptx`
+
 ### Spreadsheets & Data
 **LlamaCloud**: `.xlsx`, `.xls`, `.xlsm`, `.xlsb`, `.xlw`, `.csv`, `.tsv`, `.ods`, `.fods`, `.numbers`, `.dbf`, `.123`, `.dif`, `.sylk`, `.slk`, `.prn`, `.et`, `.uos1`, `.uos2`, `.wk1`, `.wk2`, `.wk3`, `.wk4`, `.wks`, `.wq1`, `.wq2`, `.wb1`, `.wb2`, `.wb3`, `.qpw`, `.xlr`, `.eth`
 
 **Unstructured**: `.xls`, `.xlsx`, `.csv`, `.tsv`
 
+**Docling**: `.xlsx`, `.csv`
+
 ### Images
 **LlamaCloud**: `.jpg`, `.jpeg`, `.png`, `.gif`, `.bmp`, `.svg`, `.tiff`, `.webp`, `.html`, `.htm`, `.web`
 
 **Unstructured**: `.jpg`, `.jpeg`, `.png`, `.bmp`, `.tiff`, `.heic`
 
+**Docling**: `.jpg`, `.jpeg`, `.png`, `.bmp`, `.tiff`, `.tif`, `.webp`
+
 ### Audio & Video *(Always Supported)*
 `.mp3`, `.mpga`, `.m4a`, `.wav`, `.mp4`, `.mpeg`, `.webm`
 
@@ -142,6 +150,7 @@ Before installation, make sure to complete the [prerequisite setup steps](https:
 - **File Processing ETL Service** (choose one):
   - Unstructured.io API key (supports 34+ formats)
   - LlamaIndex API key (enhanced parsing, supports 50+ formats)
+  - Docling (local processing, no API key required, supports PDF, Office docs, images, HTML, CSV)
 - Other required API keys
 
 ## Screenshots