Add 'working on' section to nav bar
Add 'working on' section to nav bar


Former-commit-id: adf38f24c59ea4a73b6c5b43368573b2e1e0cdff
Former-commit-id: 019f375baea0bc86a1bad1068042fa14e3088bd6
Former-commit-id: 60ce008c61133684c46ed9dcca02933f64edaee5
ONSdigital/florence,ONSdigital/florence,ONSdigital/florence,ONSdigital/florence