hook createl2o fails if no local definitions are available.

[tbugfinder]

ods-pre-commit-hooks/hooks/createl2o.sh

Line 23 in c4cf814

LOCALSHCL=$(jq -r '.locals[0]|keys[] as $k | "\($k) = local.\($k)"' < "${MAINJSON}")

In case no local variable is defined the pre-commit hook should not fail.