Add Zed terminal support

[kjanat]

Summary

• Add support for Zed terminal (TERM_PROGRAM === 'zed')
• Add lint scripts to package.json.
• Update deps and fix eslint rule for xo@1.x compatibility

[Copilot]

Pull request overview

This PR adds support for the Zed terminal emulator's hyperlink capabilities, adds convenience lint scripts, and updates dependencies to be compatible with xo@1.x. The main feature enables hyperlink detection when TERM_PROGRAM is set to Zed.

Key changes:

• Adds Zed terminal to the list of supported hyperlink-capable terminals
• Adds lint and lint:fix npm scripts for easier linting workflow
• Updates eslint disable comment from no-mixed-operators to @stylistic/no-mixed-operators for xo@1.x compatibility

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
index.js	Adds 'zed' case to TERM_PROGRAM switch statement and updates eslint comment syntax for xo@1.x
test.js	Adds two test cases for Zed terminal support and reformats existing tests for consistency
package.json	Adds lint scripts and updates dependencies (supports-color, ava, typescript, xo)

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