Add WeAct-Studio epaper support reference

[ottes]

This pull request adds a new reference to the documentation for Waveshare e-paper displays, highlighting additional library support for WeAct-Studio e-paper modules and enhanced 3-color support for certain Waveshare models.

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WeAct Studio ePaper Component for ESPHome
ESPHome external component for WeAct Studio ePaper screens, including support for select Waveshare ePaper displays.

Supported Displays

WeAct Studio 2.9" BWR screen (296x128) - Based on ESPHome pull request #6226 by jbergler
WeAct Studio 4.2" BW screen (400x300) - Based on ESPHome pull request #6209 by MrMDavidson
WeAct Studio 4.2" BWR screen (400x300) - Custom implementation based on jbergler's work
Various Waveshare ePaper displays - Latest ESPHome waveshare_epaper component code

[Copilot]

Pull Request Overview

This PR adds a reference link to the Waveshare E-Paper display component documentation, pointing to a third-party GitHub repository that provides additional support for WeAct-Studio e-paper displays and 3-color support for some Waveshare models.

• Adds a new reference link to a GitHub repository for extended e-paper display support

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Walkthrough

Documentation update to the Waveshare ePaper component file adding a reference link to the WeAct-Studio ePaper repository by Ottes, which provides support for WeAct-Studio ePapers and 3-Color support for certain Waveshare variants.

Changes

Cohort / File(s)	Summary
Documentation Reference Addition content/components/display/waveshare_epaper.md	Added See Also reference linking to Ottes's WeAct-Studio_epaper repository supporting WeAct-Studio ePapers and 3-Color Waveshare variants

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The PR title "Add WeAct-Studio epaper support reference" directly and accurately describes the main change in the pull request. The changeset adds a new reference in the waveshare_epaper.md documentation linking to WeAct-Studio epaper support, which is exactly what the title conveys. The title is concise, clear, and specific enough for someone reviewing the repository history to understand the primary change without ambiguity.
Description Check	✅ Passed	The pull request description is directly related to the changeset. The author states the PR adds a new reference to the documentation for Waveshare e-paper displays with additional library support for WeAct-Studio e-paper modules and enhanced 3-color support, which accurately matches the actual change: adding a new See Also reference in the waveshare_epaper.md file linking to the WeAct-Studio_epaper repository. The description is specific and clearly conveys the purpose of the changes, providing sufficient context about what is being added and why.

✨ Finishing touches

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• Post copyable unit tests in a comment

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[ottes]

@coderabbitai generate docstrings

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✅ Actions performed

Initiated docstring generation; will generate only if new commits exist.

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✅ Actions performed

Initiated docstring generation; will generate only if new commits exist.