Update README.md

Author: aSemy

README.md

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 [![GitHub license](https://img.shields.io/github/license/adamko-dev/kotlinx-serialization-typescript-generator?style=for-the-badge)](https://github.com/adamko-dev/kxstsgen/blob/main/LICENSE)
 [![Maven Central](https://img.shields.io/maven-central/v/dev.adamko.kxstsgen/kxs-ts-gen-core?style=for-the-badge&logo=apache-maven&color=6545e7&link=https%3A%2F%2Fsearch.maven.org%2Fsearch%3Fq%3Dg%3Adev.adamko.kxstsgen)](https://search.maven.org/search?q=g:dev.adamko.kxstsgen)
 [![Maven metadata URL](https://img.shields.io/maven-metadata/v?label=MAVEN%20SNAPSHOT&metadataUrl=https%3A%2F%2Fs01.oss.sonatype.org%2Fcontent%2Frepositories%2Fsnapshots%2Fdev%2Fadamko%2Fkxstsgen%2Fkxs-ts-gen-core%2Fmaven-metadata.xml&style=for-the-badge&logo=apache-maven)](https://s01.oss.sonatype.org/content/repositories/snapshots/dev/adamko/kxstsgen/kxs-ts-gen-core/)