refactor!: replace references to Simple-ML with Safe-DS

[lars-reimann]

Closes #2.

[github-actions]

MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ CREDENTIALS	secretlint	yes		no	2.43s
✅ GIT	git_diff	yes		no	0.01s
✅ JSON	eslint-plugin-jsonc	7	0	0	1.27s
✅ JSON	jsonlint	7		0	1.68s
✅ JSON	prettier	7	0	0	0.79s
✅ JSON	v8r	7		0	8.58s
✅ KOTLIN	ktlint	171	0	0	294.4s
⚠️ MARKDOWN	markdownlint	19	0	98	0.94s
✅ MARKDOWN	markdown-link-check	19		0	0.95s
✅ MARKDOWN	markdown-table-formatter	19	0	0	0.34s
✅ TYPESCRIPT	eslint	1	0	0	7.19s
✅ TYPESCRIPT	prettier	1	0	0	1.15s
✅ YAML	prettier	2	0	0	0.59s
✅ YAML	v8r	2		0	3.15s
✅ YAML	yamllint	2		0	0.21s

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