docs: add section overviews

[rsdmike]

PR Checklist

• Leverages formatting as provided by https://squidfunk.github.io/mkdocs-material/reference/abbreviations/
• Have viewed and verified edits in rendered form ensuring proper formatting

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[Copilot]

Pull request overview

This PR reorganizes and expands the MkDocs documentation structure by introducing a new Concepts section and adding section-level overview pages, while updating multiple cross-references to match the new information architecture.

Changes:

• Add new Concepts pages (Architecture, OOB Management, Control Modes, Security) and expose them in mkdocs.yml.
• Add Tutorials Overview page and update entrypoints (site index + nav) to route users through it.
• Refactor and re-link existing docs to point to the new Concepts content (notably around provisioning certificates and password/security guidance).

Reviewed changes

Copilot reviewed 24 out of 24 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
mkdocs.yml	Adds Concepts to nav, adds Tutorials Overview, removes duplicate “Get Help” sections and prunes stale cert doc entry.
docs/videos.md	Updates provisioning certificate link target; contains a now-broken passwords anchor reference.
docs/index.md	Updates Tutorials CTA link to the new Tutorials overview page.
docs/Tutorials/overview.md	New landing page organizing tutorials by theme with buttons/links.
docs/Reference/architectureOverview.md	Replaces detailed sections with a shorter overview + “Learn More” links into Concepts.
docs/Reference/RPC/transitionDeviceRPC.md	Updates passwords guidance link to new Security Overview.
docs/Reference/RPC/overview.md	Reworks version guidance into an admonition + comparison table.
docs/Reference/Certificates/tls.md	Updates Remote Provisioning link to new Concepts page.
docs/Reference/Certificates/generateProvisioningCert.md	Updates vendor link to new Concepts Remote Provisioning “Purchase” section.
docs/Reference/Certificates/enrollCustomCertAMT.md	Updates vendor link to new Concepts Remote Provisioning “Purchase” section.
docs/GetStarted/overview.md	Adds Cloud vs Enterprise comparison table to guide path selection.
docs/GetStarted/Enterprise/manageDevice.md	Expands “Next steps” into structured resource sections + buttons.
docs/GetStarted/Enterprise/createProfileCCM.md	Updates passwords guidance link to new Security Overview.
docs/GetStarted/Enterprise/createProfileACM.md	Updates provisioning cert + passwords guidance links to Concepts.
docs/GetStarted/Cloud/manageDevice.md	Fixes a malformed “..\assets” phrase and adds Deployment + MQTT next steps.
docs/GetStarted/Cloud/loginToUI.md	Updates provisioning certificate link target (but introduces broken/incorrect HTML links).
docs/GetStarted/Cloud/createProfileCCM.md	Updates passwords guidance link to new Security Overview.
docs/GetStarted/Cloud/createProfileACM.md	Updates provisioning cert + passwords guidance links to Concepts.
docs/Deployment/overview.md	Adds a Scaling & Infrastructure section linking to scaling overview.
docs/Concepts/security.md	New Security Overview page consolidating creds/certs/security links.
docs/Concepts/remoteProvisioning.md	Re-formats Remote Provisioning concept content and fixes several internal paths.
docs/Concepts/oobManagement.md	New OOB Management concept overview page.
docs/Concepts/controlModes.md	New Control Modes (ACM/CCM) concept overview page.
docs/Concepts/architecture.md	New Architecture & Components concept overview page.

Comments suppressed due to low confidence (2)

docs/Concepts/remoteProvisioning.md:6

• This page starts with multiple blank lines and begins at an H2 ("## What is remote provisioning?"). Add a single H1 at the top (e.g., "# Remote Provisioning") and shift subsequent sections down one level so the page renders consistently with the other new Concepts pages and has a clear title.
  docs/Concepts/remoteProvisioning.md:24
• The bullet * **A provisioning certificate*:** has mismatched emphasis markers (extra *), which will render incorrectly. Fix the markdown so the term is bolded without stray italics markers.

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