Docs menu recreate structure step1 (#14526)

* Initial TOC config

TOC depth
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TOC initial links

* extensibility section

header changed to section
section populated

* media processing and CV lib

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no content in the node article... needs to be added later

* openvino security

header turned into section
intro article used as the section parent

* ecosystem

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* menu padding adjustment

* benchmarks and release notes

benchmarks moved to resources
release notes moved to top level
case studies link

* OpenVINO IR

IR articles put in a section
the parent article will require more content

docs/documentation.md

@@ -4,10 +4,13 @@
 
 .. toctree::
    :maxdepth: 1
-   :caption: API 2.0
    :hidden:
 
    openvino_2_0_transition_guide
+   Tool Ecosystem <openvino_ecosystem>
+   OpenVINO Extensibility <openvino_docs_Extensibility_UG_Intro>
+   Media Processing and CV Libraries <media_processing_cv_libraries>
+   OpenVINO™ Security <openvino_docs_security_guide_introduction>
 
 
 .. toctree::
@@ -20,6 +23,7 @@
    openvino_docs_MO_DG_Deep_Learning_Model_Optimizer_DevGuide
    omz_tools_downloader
 
+
 .. toctree::
    :maxdepth: 1
    :caption: Running Inference
@@ -49,52 +53,7 @@
 
    openvino_docs_deployment_guide_introduction
    openvino_deployment_guide
-  
-
-
-.. toctree::
-   :maxdepth: 1
-   :hidden:
-   :caption: THE Ecosystem
-
-   openvino_ecosystem
-   ovms_what_is_openvino_model_server
-   ovsa_get_started
-   ovtf_integration
-   ote_documentation
-   workbench_docs_Workbench_DG_Introduction
-
-
-.. toctree::
-   :maxdepth: 1
-   :caption: OpenVINO Extensibility
-   :hidden:
-
-   openvino_docs_Extensibility_UG_Intro
-   openvino_docs_transformations
-   OpenVINO Plugin Developer Guide <openvino_docs_ie_plugin_dg_overview>
    
-.. toctree::
-   :maxdepth: 1
-   :hidden:
-   :caption: Use OpenVINO™ Toolkit Securely
-   
-   openvino_docs_security_guide_introduction
-   openvino_docs_security_guide_workbench
-   openvino_docs_OV_UG_protecting_model_guide
-   ovsa_get_started
-
-.. toctree::
-   :maxdepth: 1
-   :hidden:
-   :caption: Media Processing and Computer Vision Libraries
-
-   Intel® Deep Learning Streamer <openvino_docs_dlstreamer>
-   openvino_docs_gapi_gapi_intro
-   OpenCV Developer Guide <https://docs.opencv.org/master/>
-   OpenCL™ Developer Guide <https://software.intel.com/en-us/openclsdk-devguide>  
-   OneVPL Developer Guide <https://www.intel.com/content/www/us/en/developer/articles/release-notes/oneapi-video-processing-library-release-notes.html>
-
 @endsphinxdirective
 
 This section provides reference documents that guide you through the OpenVINO toolkit workflow, from obtaining models, optimizing them, to deploying them in your own deep learning applications.