sprint-13-release-candidate

What's Changed

• Refactor/188 create project overview slide for demo day introduction by @timherzig in #231
• Bugfix/override plugin java 11 by @lheimbs in #232
• Bugfix/224 all kinds of fixes by @lheimbs in #233
• move files to other folder by @emuguy1 in #236
• Bugfix/221 file has multiple classes by @nikomall34 in #237
• user documentation by @timherzig in #235
• adds deliverables for sprint 13 by @Felix-012 in #239
• Added screenshots and updated getting started by @nikomall34 in #240
• Add build/deploy documentation by @brianneoberson in #234

Full Changelog: sprint-12-release...sprint-13-release-candidate