Update to WS2024 with Heico

slides/english/00_Überblick.tex

slides/english/01_Accounts.tex

slides/english/02_Studiumsverwaltung.tex

slides/english/main.tex

slides/german/00_Überblick.tex

slides/german/01_Accounts.tex

slides/german/02_Studiumsverwaltung.tex

slides/german/main.tex

slides/img/commit_1.png

slides/img/commit_2.png

slides/img/commit_3.png

slides/img/commit_4.png

slides/img/commit_5.png

slides/img/commit_6.png

slides/img/commit_7.png

slides/img/heico.png