Windows add Markdown file to context
new_markdown.reg file:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.md]
@="markdown"
[HKEY_CLASSES_ROOT\.md\ShellNew]
"NullFile"=""
[HKEY_CLASSES_ROOT\markdown]
@="Markdown Document"
Make a new file, put that in it, double-click it, and enjoy