[GNU ELPA] Nano-Agenda version 0.3

[ELPA update]

Version 0.3 of package Nano-Agenda has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Nano-Agenda describes itself as:

  ==============
  N Λ N O agenda
  ==============

More at https://elpa.gnu.org/packages/nano-agenda.html

## Summary:

  N Λ N O agenda is a minimal view of your org agenda files. It
  displays a calendar view of current month (or the month
  corresponding to the current selected date) alongside a view of
  your agenda displaying timestamped entries. The agenda can be
  navigated using arrows keys and killed using "q", "return" or
  "escape".

  Usage example:

## Recent NEWS:

Version 0.3.0
- Use of a single buffer for calendar + agenda
- Added palette choice for colorizing the calendar

Version 0.2.2
- Better entries sorting
- Include non timestamped entries

Version 0.2.1
- Removed ts requirements

Version 0.2
- Removed ts (MELPA) dependency

Version 0.1
- Submission to ELPA