Make the scripts configurable and provide example

.gitignore

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+config.sh

config.sh.example

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+# Local sync
+piwiThumbRoot="/var/www/piwigo/_data/i/network/network/"
+piwiPhotoRoot="/home/network/Qbilder/photos/"
+
+# Remote sync
+piwiThumbRootRemote="${piwiThumbRoot}"
+piwiPhotoRootRemote="/home/network/Bilder/photos/"
+piwiLocalTemp="/tmp/piwiTemp/"
+piwiLocalThumbRoot="/tmp/piwiMnt/"
+piwiRemoteUser="user"
+piwiRemoteHost="host"
+piwiRemotePass="changeme"
+
+# Piwigo Refresh
+piwiRefreshUrl="https://change.me/gallery"
+piwiRefreshUser="user"
+piwiRefreshPass="pass"
+piwiRefreshSite="/var/www/piwigo/network"
+piwiRefreshCatId=0
+piwiRefreshSubCatId=1
+piwiRefreshPrivacy=4
+piwiMountedCheckFile="/home/network/Qbilder/photos/.mounted"