Add Ukrainian translation for docs

See merge request !2

Set application avatar in Gitlab.

See merge request !1

Sudip authored Apr 23, 2020 and Javier Jardón committed Dec 17, 2020

It fails to build while building with gcc-10 with the error:
multiple definition of `giggle_diff_style'

giggle_diff_style is passed to g_enum_register_static() register the
static enumeration type with the given name and it should be done
as a typedef.

Fixes #11

Bug-Link: https://bugs.debian.org/bug=957269


Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>