Respect \f symbol when generating web-based documentation pages.

The click library uses the `\f` escape character to designate that the following text in docstrings should not be included into documentation. The `mkdocs-click` plugin does not support this. This commit fixes this.

docs/requirements.txt

@@ -1,5 +1,9 @@
 mkdocs>=1.0.4
+
+# This slightly updated version respects Click's help feature to skip everything that comes after the \f symbol.
+# mkdocs-click
+mkdocs-click @ git+https://github.com/sergey-serebryakov/mkdocs-click@feature/respect-ff-escape-char
+
 mkdocs-material>=4.4.0
-mkdocs-click
 pymdown-extensions>=7.1
 -r ../mlcube/requirements.txt