CC-2537 Change global_config sample banner to say ARDC
CC-2537 Change global_config sample banner to say ARDC

The banner at the top of global_config.vocabs.sample includes a large
"ANDS".

Change it to "ARDC".

au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal