Pull request #28: feature: pretty html output

Merge in FRAG/50ohm.de from feature/pretty_html to main

* commit '1da60327dcc52f03436d6fb75037a3c85e3f953c':
  feature: pretty html output

test/test_html.py

@@ -1,5 +1,6 @@
 import json
 
+from bs4 import BeautifulSoup
 from jinja2 import Environment, FileSystemLoader
 from mistletoe import Document
 
@@ -78,4 +79,5 @@ def test_html(capsys):
             with FiftyOhmHtmlRenderer(question_stub) as renderer:
                 output = renderer.render(Document(content))
                 with open("test/acceptanceTest.html", "w") as output_file:
-                    output_file.write(output)
+                    pretty = BeautifulSoup(output, 'html.parser').prettify()
+                    output_file.write(pretty)