feat: add Escape bind to close opened eww widgets

eww/date/date.scss

@@ -28,7 +28,7 @@
 .cal-box {
   font-family: Product Sans;
   background-color: $bg;
-  border-radius: 4px;
+  border-radius: 15px;
   padding: 0 1rem .2rem;
   color: $fg;
   background-color: $contrastbg;

eww/scripts/esc.sh

@@ -0,0 +1,13 @@
+### this is a WIP
+while :
+do
+	if [[ $(eww state) ]]; then
+		read -s -n1  key
+
+		case $key in
+			$'\e') break;
+		esac
+	fi
+done
+
+eww close-all