[mobile app compatibility] save credentials in db, mount on /

Signed-off-by: Marco Marinello <me@marcomarinello.it>

nextcloud-fuss/configure-fuss.sh

@@ -103,9 +103,9 @@ if [ "No admin mounts configured" = "$(run_as 'php /var/www/html/occ files_exter
   cat > /tmp/fe_conf.txt <<EOF
 {
     "mount_id": 3,
-    "mount_point": "\/FUSS_home",
+    "mount_point": "\/",
     "storage": "\\\\OCA\\\\Files_External\\\\Lib\\\\Storage\\\\SMB",
-    "authentication_type": "password::sessioncredentials",
+    "authentication_type": "password::logincredentials",
     "configuration": {
         "host": "${FUSS_SERVER_FQDN}",
         "share": "homes",