docs: clarify setup guide deploys single-node workspace

[saadqbal]

Add an explicit Note callout near the top of the setup guide stating the installer deploys a single-node workspace on one machine, with a pointer to the EKS deployment guide for multi-node setups. Reinforce "one host per workspace" in the Requirements section.

Closes #40

Summary

Related

Type of change

• Feature
• Bug fix
• Tech-debt / refactor
• Docs
• Security / hardening
• Breaking change

Test plan

Screenshots / recordings

Deployment notes

Checklist

• Tests added / updated and passing locally
• Docs updated if behavior or config changed
• No secrets / credentials in the diff
• For security-sensitive paths: appropriate reviewer requested

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Note

Low Risk
Low risk documentation-only change that adds a callout and minor wording clarification with no runtime impact.

Overview
Adds a top-of-page Note in environment-setup/setup-guide.mdx explicitly stating the installer deploys a single-node workspace on one machine and links to the EKS deployment guide for multi-node/production setups.

Updates the Requirements intro to reinforce the one host per workspace expectation.

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[LukasWodka]

👋 Heads-up — Code review queue is at 21 / 8

Above the WIP limit. The team convention is to review existing PRs before opening new work.

Open PRs currently in Code review (oldest first):

• .github#41 — fix(profile): point install snippets to canonical i.sh / i.ps1 URLs · author: @saadqbal · reviewer: @LukasWodka
• client#100 — feat(client): scaffolding for stateless requests-proxy auth (HC-1) · author: @saadqbal · no reviewer assigned
• client-runtime#35 — feat(chore: sync main → develop after misrouted docs PR #21): jobs-manager submit-ingestion-run HTTP endpoint · author: @saadqbal · no reviewer assigned
• client-runtime#36 — Bump requests from 2.32.3 to 2.33.0 in /Node-deploy · author: @dependabot · no reviewer assigned
• client-runtime#37 — Bump black from 25.1.0 to 26.3.1 in /Node-deploy · author: @dependabot · no reviewer assigned
• data-ingestors#88 — feat: add masked language modeling ingestor template · author: @shujaatTracebloc · reviewer: @aptracebloc
• docs#3 — Block bots from crawling Mintlify static assets · author: @LukasWodka · reviewer: @saadqbal
• frontend-app#469 — chore(deps): bump postcss from 8.5.6 to 8.5.10 · author: @dependabot · no reviewer assigned
• frontend-app#470 — chore(deps): bump dompurify from 3.3.1 to 3.4.0 · author: @dependabot · no reviewer assigned
• frontend-app#471 — chore(deps): bump @babel/plugin-transform-modules-systemjs from 7.27.1 to 7.29.4 · author: @dependabot · no reviewer assigned

Pull from review before opening new work. (This is a nudge from the kanban WIP check, not a block.)