Update NEWS file

NEWS.rst

@@ -2,6 +2,12 @@
                                 Glances changelog
 ==============================================================================
 
+===============
+Version 3.2.1
+===============
+
+Version under development, please have a look on the roadmap here ==> https://github.com/nicolargo/glances/milestone/50
+
 ===============
 Version 3.2.0
 ===============

docs/man/glances.1

 .\" Man page generated from reStructuredText.
 .
-.TH "GLANCES" "1" "Jul 03, 2021" "3.2.0" "Glances"
+.TH "GLANCES" "1" "Jul 03, 2021" "3.2.1_beta1" "Glances"
 .SH NAME
 glances \- An eye on your system
 .