Cleanup markdown errors

[andystaples]

Fixes a number of markdown syntax/rules issues in .md files across the repos - pymarkdown linting now passes on all files

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Fixes Markdown formatting and linting issues across the repository documentation so that pymarkdown rules pass and the docs render more consistently.

Changes:

• Reflowed long lines and reformatted lists/code blocks for Markdown linter compliance.
• Normalized heading levels and section structure in various docs.
• Improved readability of boilerplate/support/security markdown content.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 15 comments.

Show a summary per file

File	Description
examples/sub-orchestrations-with-fan-out-fan-in/README.md	Rewrapped text, adjusted headings/lists, and clarified running steps.
durabletask-azuremanaged/CHANGELOG.md	Reflowed long lines and nested bullets for changelog readability.
docs/supported-patterns.md	Adjusted heading levels and rewrapped sections describing supported orchestration patterns.
docs/getting-started.md	Updated headings and wrapped links/list items for linting and readability.
docs/features.md	Reformatted feature documentation sections, lists, and code samples for linting.
docs/development.md	Rewrapped paragraphs and fixed Markdown formatting in dev instructions.
SUPPORT.md	Converted placeholder into a warning block and reflowed content.
SECURITY.md	Added top-level heading, renamed section, and reflowed template text/lists.
README.md	Reflowed badges/paragraphs and normalized “References” heading.
CONTRIBUTING.md	Wrapped long lines and converted raw URL into a proper Markdown link.
CHANGELOG.md	Reflowed entries and wrapped long bullets/links for consistency.