TM conversion procedure

[tuurma]

1. Load TM dump xml file into eXist, e.g. /db/apps/lgpn-editor/modules/tools/export_test_20220621.xml
2. Run preconversion script /db/apps/lgpn-editor/modules/tools/TM_import_preconversion.xql. Results are expected to land in /db/apps/lgpn-data/data/auxiliary/temp/TM_import_preconversion.xml
3. Run conversion script /db/apps/lgpn-editor/modules/tools/TM_import_conversion.xql. Results are expected to land in /db/apps/lgpn-data/data/persons/TM. This collection may need to be added manually if not yet present.