[NonGNU ELPA] Jinja2-Mode version 0.3

[ELPA update]

Version 0.3 of package Jinja2-Mode has just been released in NonGNU ELPA.
You can now find it in M-x package-list RET.

Jinja2-Mode describes itself as:
  A major mode for jinja2

More at https://elpa.nongnu.org/nongnu/jinja2-mode.html