Release v1.0

Initial release. Use at your own risk!

What's Changed

• Initial commit of Java/Maven project. by @m0wlheld in #1
• Fix javadocs on ValidationError enum by @m0wlheld in #2
• Update maven project file. by @m0wlheld in #3
• Development by @m0wlheld in #4
• Fix check digit calculation by @m0wlheld in #5

Full Changelog: https://github.com/m0wlheld/idnr-validator/commits/v1.0