bpo-37610: improve Using Python doc wrt Editors & IDE (GH-14850)



Move the Editors and IDE section out of the Unix section, to its own section.


https://bugs.python.org/issue37610
diff --git a/Doc/using/index.rst b/Doc/using/index.rst
index 4f0aa7d..4a45121 100644
--- a/Doc/using/index.rst
+++ b/Doc/using/index.rst
@@ -17,3 +17,4 @@
    unix.rst
    windows.rst
    mac.rst
+   editors.rst