yunoadmin/pihole_ynh: copy of pihole as a reamke @ d0e29bad67d7c2dcb40e2f4cd3adbd3d8d2d1cf7

Maniack Crudelis d79ec131b3 Stretch fix		8 lat temu
..
_common.sh	fe618c5c70 Upgrade to 3.3.1	8 lat temu
_variables	d79ec131b3 Stretch fix	8 lat temu
backup	fe618c5c70 Upgrade to 3.3.1	8 lat temu
change_url	fe618c5c70 Upgrade to 3.3.1	8 lat temu
install	fe618c5c70 Upgrade to 3.3.1	8 lat temu
remove	3b27e763d8 Update helpers	8 lat temu
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upgrade	fe618c5c70 Upgrade to 3.3.1	8 lat temu