chore: update documentation for surface integrations

[arikorn]

This PR adds a fair bit of details and fixes links related to Surface Integrations

I have to admit to still being confused about Surface "Modules" vs "Integrations" -- particularly in how the documentation refers to it. There was essentially no use of the word "Integrations" in the docs prior to this PR and, sorry to say, I'm not sure I'm doing it right!

Summary by CodeRabbit

• Documentation
  • Clarified Surface Integrations; renamed “Surface Modules” to “Surface Modules / Integrations”
  • Explained how physical devices map to the button grid and added a Configured Surfaces section
  • Improved guidance for accessing surface settings, installing/configuring integrations, and module workflows
  • Enhanced USB/device troubleshooting with device-specific notes (Elgato warning) and adjusted UI wording
  • Updated wording/capitalization for “Stream Decks” and referenced Companion 4.3 surface integration version

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

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Configuration used: Organization UI

Review profile: CHILL

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Run ID: b6edea1d-d174-40a5-b413-9feb1f64cb76

📥 Commits

Reviewing files that changed from the base of the PR and between 3552c3b and 5920f0c.

📒 Files selected for processing (1)

• assets/linux/README

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📝 Walkthrough

Walkthrough

Documentation clarifies Surface Integrations and surface configuration across the user guide: adds links and UI instructions, expands Surfaces to describe physical device mappings and configured surfaces, updates Rescan/USB troubleshooting with an Elgato-specific note, and fixes capitalization of "Stream Decks."

Changes

Cohort / File(s)	Summary
Surface concepts & configuration docs/user-guide/3_config/surfaces.md, docs/user-guide/3_config/settings.md, docs/user-guide/7_surfaces/index.md	Expanded Surfaces docs to explain mapping of physical devices to Companion button grids; added a Configured Surfaces section; linked Surface Integrations from settings; renamed/rewrote Surface Modules page to "Surface Modules / Integrations" and added UI steps for adding/configuring integrations and accessing general surface settings.
Device discovery & troubleshooting docs/user-guide/3_config/surfaces.md	Updated Rescan/USB troubleshooting guidance to reference the Configured Surfaces list and the right-side settings panel; added an Elgato-specific warning to close the Elgato Stream Deck app before rescanning.
Installation & release notes wording docs/user-guide/1_getting-started/Installation.md, docs/user-guide/1_getting-started/companion-pi/manual-install.md, docs/user-guide/9_whatsnew/v4-0-0.md, assets/linux/README	Minor capitalization and wording fixes: changed instances of "streamdecks"/"Streamdecks" to "Stream Decks" and updated a reference from Companion 4.2 → 4.3 in the Linux README. No functional changes.

Poem

🎛️ New links and mappings tidy the scene,
Buttons and surfaces now clearly convene,
Rescan with care (Elgato, close your app!),
Settings on the right — just give it a tap,
Docs polished and kind — thanks for the keen! ✨

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and accurately reflects the main focus of the changeset: updating documentation specifically for surface integrations across multiple doc files.

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[coderabbitai]

Actionable comments posted: 2

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: fcdbb2f8-8193-44de-9dcc-494ddab2856e

📥 Commits

Reviewing files that changed from the base of the PR and between b046c44 and e05eb8a.

⛔ Files ignored due to path filters (1)

• docs/user-guide/7_surfaces/images/surface-integrations-panel.png is excluded by !**/*.png

📒 Files selected for processing (3)

• docs/user-guide/3_config/settings.md
• docs/user-guide/3_config/surfaces.md
• docs/user-guide/7_surfaces/index.md

[Julusian]

Suggested change

	To connect Stream Decks to companion from another machine, you can use [Companion Satellite](https://github.com/bitfocus/companion-satellite)
	To connect Stream Decks or other surfaces to Companion from another machine, you can use [Companion Satellite](https://github.com/bitfocus/companion-satellite)