rename testEmptyLine to isEmptyLine and change the signature + add wa…

[severo]

…rning in README about stability

[Copilot]

Pull Request Overview

This PR renames the testEmptyLine function to isEmptyLine and improves its API by changing the signature from accepting a union type parameter to using an options object. The version is bumped to 0.0.6, and a versioning policy section is added to the README.

• Renamed testEmptyLine to isEmptyLine for better naming consistency
• Changed function signature from (s, skipEmptyLines?: 'greedy' | boolean) to (s, options?: { greedy?: boolean }) for improved API extensibility
• Added versioning policy section to README documenting breaking change expectations

Reviewed Changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/utils.ts	Updated function name and signature with options object pattern
src/index.ts	Exported the renamed isEmptyLine function
src/options/delimiter.ts	Updated function call to use new isEmptyLine name
tests/utils.test.ts	Updated tests to use new function name and options object
tests/text.test.ts	Updated test cases to use new function name and options syntax
package.json	Bumped version from 0.0.5 to 0.0.6
package-lock.json	Updated version reference to 0.0.6
README.md	Added "Early version" section with versioning policy
CHANGELOG.md	Added entry for version 0.0.6 documenting the changes

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