feat: move cursor rules to .cursor/rules, add metadata

[JowiAoun]

What does this do?

• This template uses the legacy way of defining cursor rules with .cursorrules. Other rules are found in prompts/. The new way of defining rules is outlined on the Cursor context rules documentation, and defines rules under .cursor/rules/. With the new way of defining rules, it is easy to define globs and when rules should be used by Agents.

Why did you do this?

Defining rules this way gives developers more flexibility in using and creating rules as the new way of creating rules through Cursor will create them in .cursor/rules/, reducing project clutter. Additionally, rules are now visible from the context Rules selection.

Who/what does this impact?

Since this update has been here for some time now, users should be acquainted with the new way of defining and using rules. Otherwise, this should not affect any current users.

How did you test this?

Each rule was ran to accomplish the same goal using the current prompts/ and new .cursor/rules/.

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