doc: added manual test plan for auto orgs [IDE-1507]

[acke]

Description

Manual test plan for IntelliJ

Checklist

• [ ] Read and understood the Code of Conduct and Contributing Guidelines.
• [ ] Tests added and all succeed
• [ ] Linted
• [ ] CHANGELOG.md updated
• [ ] README.md updated, if user-facing

Screenshots / GIFs

Visuals that may help the reviewer. Please add screenshots for any UI change. GIFs are most welcome!

[snyk-io[bot]]

:white_check_mark: Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
:white_check_mark:	Code Security	0	0	0	0	0 issues

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