tailwind-merge 1.13.0

This release focuses on improvements to the docs.

Fix arbitrary length 0 without unit not being recognized by @dcastil in https://github.com/dcastil/tailwind-merge/pull/237
Fix typo in comment in default-config.ts by @CrutchTheClutch in https://github.com/dcastil/tailwind-merge/pull/227

Add intro video from Simon Vrachliotis to docs by @dcastil in https://github.com/dcastil/tailwind-merge/pull/239
- @simonswiss made an intro video to tailwind-merge which I added to the docs. Check it out here!
Add docs about when to use tailwind-merge by @dcastil in https://github.com/dcastil/tailwind-merge/pull/230
- I added a new page to the docs about when and how to use tailwind-merge which should help you to decide whether you should use it and what alternative approaches exist.
Make it clearer in docs that tailwind-merge supports composition of class strings by @dcastil in https://github.com/dcastil/tailwind-merge/pull/229

Add npm package provenance by @dcastil in https://github.com/dcastil/tailwind-merge/pull/219
- GitHub introduced a new security feature to verify which source commit and build file were used for a specific npm package version. tailwind-merge now publishes provenance signatures alongside all releases on npm. Read more on the GitHub blog.

Full Changelog: https://github.com/dcastil/tailwind-merge/compare/v1.12.0...v1.13.0