feat: house sales example

[lars-reimann]

Closes #14.

Summary of Changes

• Add a new dataset containing house sales
• Add a new function load_house_sales to load it
• Add a new function describe_house_sales_columns to get descriptions for the columns of the dataset

[codecov]

Codecov Report

Merging #23 (c02a819) into main (54c568f) will not change coverage.
The diff coverage is 100.00%.

❗ Current head c02a819 differs from pull request most recent head f2ed523. Consider uploading reports for the commit f2ed523 to get more accurate results

@@            Coverage Diff            @@
##              main       #23   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         5    +2     
  Lines            7        16    +9     
=========================================
+ Hits             7        16    +9     

Impacted Files	Coverage Δ
src/safeds_examples/tabular/_titanic/_titanic.py	100.00% <ø> (ø)
src/safeds_examples/tabular/__init__.py	100.00% <100.00%> (ø)
...c/safeds_examples/tabular/_house_sales/__init__.py	100.00% <100.00%> (ø)
...feds_examples/tabular/_house_sales/_house_sales.py	100.00% <100.00%> (ø)
src/safeds_examples/tabular/_titanic/__init__.py	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[lars-reimann]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	10	0	0	0.6s
✅ PYTHON	flake8	10		0	0.34s
✅ PYTHON	isort	10	0	0	0.24s
✅ PYTHON	mypy	10		0	1.55s
✅ PYTHON	pylint	10		0	1.56s
✅ REPOSITORY	git_diff	yes		no	0.04s

See detailed report in MegaLinter reports
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

MegaLinter is graciously provided by

[github-actions]

🎉 This PR is included in version 0.3.0 🎉

The release is available on:

• v0.3.0
• GitHub release
• v0.3.0

Your semantic-release bot 📦🚀