Add more Sectors

[zebde]

Add more sectors to the sector.csv list. This should be carried out from open research to enable a well rounded view of companies.

[zebde]

Current count using the command cat sector.csv | awk -F ',' '{print $2}' | sort | uniq -c | sort -rn

37 Communications
24 Finance
10 Water
6 Space
6 Academia
5 Government
4 Transport
3 Health
2 Defence
1 Emergency Services