Add documentation for Victorian Legislative Council STV validation

docs/validation.md

@@ -12,6 +12,7 @@ STV-counting software is frequently validated empirically by comparing the resul
 | Australian Senate STV | [2019 NSW Senate election](https://results.aec.gov.au/24310/Website/SenateDownloadsMenu-24310-Csv.htm) | EasyCount (official) | |
 | Australian Capital Territory STV | [2020 Kurrajong Legislative Assembly election](https://www.elections.act.gov.au/elections_and_voting/2020_legislative_assembly_election/ballot-paper-preference-data-2020-election) | [eVACS 2020](https://www.elections.act.gov.au/elections_and_voting/electronic_voting_and_counting) (official) | ✓ |
 | NSW Local Government STV | [2021 City of Albury Council election](https://pastvtr.elections.nsw.gov.au/LG2101/albury/councillor) | PRCC Vote Count (official) | ✓ |
+| Victorian Legislative Council STV | [2022 Northern Metropolitan Region Legislative Council election](https://www.vec.vic.gov.au/results/state-election-results/2022-state-election-results/results-by-region/northern-metropolitan-region-results) | Results sheet (official) | ✓ |
 | Minneapolis STV | [2009 Minneapolis Board of Estimate & Taxation election](https://vote.minneapolismn.gov/results-data/election-results/2009/bet/) | Results sheet (official) | ✓ |
 | Minneapolis STV | [2013 Minneapolis Parks & Recreation Commissioner At Large election](https://vote.minneapolismn.gov/results-data/election-results/2013/park-board-at-large/) | Results sheet (official) | ✓ |
 | Minneapolis STV | [2021 Minneapolis Board of Estimate & Taxation election](https://vote.minneapolismn.gov/results-data/election-results/2021/bet/) | Results sheet (official) | ✓ |