Add initial unit test

Author: lukasmasuch

tests/test_generation.py

@@ -0,0 +1,10 @@
+import hashlib
+
+from lazydocs import MarkdownGenerator
+
+
+def test_import2md() -> None:
+    generator = MarkdownGenerator()
+    markdown = generator.import2md(MarkdownGenerator.import2md)
+    md_hash = hashlib.md5(markdown.encode("utf-8")).hexdigest()
+    assert md_hash == "4a2b89327414077031d103b4cf6672b6"