Create documentation for supported editors on developer.yoast.com

[hdvos]

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This task was created as part of this task: https://github.com/Yoast/non-dev-tasks/issues/39
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Blocked by #226

Supported editors

In developer/docs/features/analysis create a folder called editors.

overview.md

Within this folder we create one overview.md with some general information and links to all editor specific docs.

This should have a docusaurus header like so:

---
id: overview
title: "Editors: Overview"
sidebar_label: Overview
description: This documentation provides documentationon all our supported editors.
---

List of supported editors

• Classic
• Block
• Elementor

Editors specific pages.

Should have headers like such

---
id: classicEditor
title: "Editors: Classic editor"
sidebar_label: Classic Editor
description: This documentation provides information on the classic editor and what assessments are suopported and how.
---

This could contain a table of all Assessments (with hyperlink to their docusaurus page) and some additional information

For classic editor,

• Make notes about taxonomies also using Classic?
• Make notes about Woo products also using classic?
• Make notes about Shopify, which also uses tinyMCE?

For block editor,

• Make notes about Gutenberg being (in principle) the same as Block editor.

For Elementor,

• Make note about products in elementor.

Assessment	Content type Specific config
Keyphrase in introduction	❌
Keyphrase length	❌
...	...

Think about what other columns might be relevant to add to this overview.