add some bash scripts

Auxiliary_utils/bash_scripts/allsky_sixel.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+#
+# $1 - scaling factor (in percents) of the image
+#
+
+scale=50
+if [ $# -gt 0 ]; then
+     scale=$1
+fi
+
+unset http_proxy
+
+clear
+while [[ 1 ]]; do
+    tput cup 0 0
+    curl -s http://zarch.sao.ru/webcam/mirat_allsky.cgi | magick - -colors 256 +dither -normalize -resize $scale% sixel:- 
+#    sleep 30s
+    sleep 5s
+done