Main Release Versíon 3.0

Main Release Versíon 3.0

What's Changed

• docs: update email and project URL in README.md by @VilDeMil in #4
• feat: update email/URL, add 4 new shortcodes by @VilDeMil in #5
• Claude/check repo status flb3z by @VilDeMil in #6
• Claude/check repo status flb3z by @VilDeMil in #7
• feat: shortcode [handschelle-bilder] + Release Notes (v2.07) by @VilDeMil in #8
• remerge by @VilDeMil in #9
• Claude/check repo status flb3z by @VilDeMil in #10
• docs: add Buy Me A Coffee link to README.md (v2.09) by @VilDeMil in #11
• feat: Die-Handschelle Version 3.0 by @VilDeMil in #12

Full Changelog: MainReleaseVersion_2...V3.0