Added Python 3 version of simple web server

README.md

@@ -136,7 +136,7 @@ Notes:
 - For interaction with files based on the output of another command (like `git`), use `fpp` ([PathPicker](https://github.com/facebook/PathPicker)).
 
 - For a simple web server for all files in the current directory (and subdirs), available to anyone on your network, use:
-`python -m SimpleHTTPServer 7777` (for port 7777 and Python 2).
+`python -m SimpleHTTPServer 7777` (for port 7777 and Python 2) and `python -m http.server 7777` (for port 7777 and Python 3).
 
 
 ## Processing files and data