docs: Add instructions for using Docling with MCP to README (#2219)

* docs: Add instructions for using Docling with MCP to README

* DCO Remediation Commit for Roy Derks <10717410+royderks@users.noreply.github.com>

Signed-off-by: Roy Derks <roy.derks@ibm.com>

* DCO Remediation Commit for Roy Derks <10717410+royderks@users.noreply.github.com>

I, Roy Derks <10717410+royderks@users.noreply.github.com>, hereby add my Signed-off-by to this commit: 4b9ba1d0ef

Signed-off-by: Roy Derks <roy.derks@ibm.com>

* docs: reorganize documentation on MCP server

Signed-off-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>

* docs: align README with documentation index page

Signed-off-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>

---------

Signed-off-by: Roy Derks <roy.derks@ibm.com>
Signed-off-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>
Co-authored-by: Roy Derks <roy.derks@ibm.com>
Co-authored-by: Cesar Berrospi Ramis <ceb@zurich.ibm.com>

mkdocs.yml

@@ -65,6 +65,7 @@ nav:
       - Supported formats: usage/supported_formats.md
       - Enrichment features: usage/enrichments.md
       - Vision models: usage/vision_models.md
+      - MCP server: usage/mcp.md
     - FAQ:
       - FAQ: faq/index.md
   - Concepts: