docs: add Execution Environment guide (#11673)

* docs: add Execution Environment guide

Closes #2968
Closes #4512

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

* add to botmeta

* fix code block language

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update section title for community.general EE metadata

* Apply suggestion from felixfontein

Co-authored-by: Felix Fontein <felix@fontein.de>

* Remove extraneous paragraph

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Don Naro <dnaro@redhat.com>

* remove link to legacy documentation

* Update docs/docsite/rst/guide_ee.rst

Co-authored-by: Don Naro <dnaro@redhat.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Don Naro <dnaro@redhat.com>

docs/docsite/extra-docs.yml

@@ -8,6 +8,9 @@ sections:
     toctree:
       - filter_guide
       - test_guide
+  - title: Deployment Guides
+    toctree:
+      - guide_ee
   - title: Technology Guides
     toctree:
       - guide_alicloud