new: [nextcloud] remove default skeleton directory

nextcloud/hooks/init

@@ -76,3 +76,9 @@ uid=$(docker_get_uid "$MASTER_BASE_SERVICE_NAME" "www-data")
 dirs=("$SERVICE_DATASTORE/var/lib/nextcloud/data" "$SERVICE_DATASTORE/var/www/html")
 mkdir -p "${dirs[@]}"
 chown -R "$uid" "${dirs[@]}"
+
+
+nextcloud:config:simple:add skeletondirectory "" || {
+    err "Failed to set ${WHITE}skeletondirectory${NORMAL} as empty."
+    exit 1
+}

nextcloud/lib/common

@@ -150,10 +150,11 @@ nextcloud:config:simple:add() {
         return 1
     fi
 
-    if [ -z "$value" ]; then
-        err "Value for '$key' is empty. Skipping."
+    if [ "$#" -lt 2 ]; then
+        err "No value specified for '$key'."
         return 1
     fi
+
     ## check for \ and ' in value and key
     if [[ "$value" =~ [\\\'] ]]; then
         err "Unsupported value for '$key' contains a backslash or a single quote."