Add Abrechungsformular to toolsserver

[tabacha]

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[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
⚠️ COPYPASTE	jscpd	yes		2	2.15s
✅ REPOSITORY	dustilock	yes		no	0.02s
✅ REPOSITORY	git_diff	yes		no	0.03s
✅ REPOSITORY	secretlint	yes		no	1.88s
✅ REPOSITORY	syft	yes		no	0.25s
⚠️ REPOSITORY	trivy	yes		1	5.88s
✅ YAML	prettier	3	0	0	0.65s
✅ YAML	yamllint	3		0	0.22s

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