Change location of i3/unsplash wallpapers to /usr/share instead of /etc

flavours/unsplash.flavour/install.sh

@@ -2,10 +2,10 @@
 
 echo "~> Grabbing a random image from unsplash.com..."
 
-mkdir -p /mnt/etc/wallpapers/
+mkdir -p /mnt/usr/share/wallpapers/
 
 for tag in {forest,ocean,sky,snow,architecture,technology,stars,hills,nature,fields,trees,night}; do
-    wget $(curl https://unsplash.com/search/photos/$tag | grep -oE 'content="http://images.unsplash.com/photo-([a-zA-Z0-9_\\-]*)' | sed -e 's/content="//g' | shuf -n 1) -O /mnt/etc/wallpapers/$tag-$(uuidgen).jpg
+    wget $(curl https://unsplash.com/search/photos/$tag | grep -oE 'content="http://images.unsplash.com/photo-([a-zA-Z0-9_\\-]*)' | sed -e 's/content="//g' | shuf -n 1) -O /mnt/usr/share/wallpapers/$tag-$(uuidgen).jpg
 done
 
 amf_return=0