bpo-31715 Add mimetype for extension .mjs (#3908)

Author: bmeck

Lib/mimetypes.py

@@ -448,6 +448,7 @@ def _default_mime_types():
  '.mht' : 'message/rfc822',
  '.mhtml' : 'message/rfc822',
  '.mif' : 'application/x-mif',
+ '.mjs' : 'application/javascript',
  '.mov' : 'video/quicktime',
  '.movie' : 'video/x-sgi-movie',
  '.mp2' : 'audio/mpeg',

Misc/NEWS.d/next/Library/2018-08-15-16-22-30.bpo-31715.Iw8jS8.rst

@@ -0,0 +1 @@
+Associate ``.mjs`` file extension with ``application/javascript`` MIME Type.