[dashboard] Create DashboardNation

[benjbach]

var cumAdmissions = 'https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=cumAdmissions&format=csv'
var cumCasesBySpecimenDate = "https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=cumCasesBySpecimenDate&format=csv"
var cumOnsDeathsByRegistrationDate="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=cumOnsDeathsByRegistrationDate&format=csv"
var cumVaccinationFirstDoseUptakeByVaccinationDatePercentage="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=cumVaccinationFirstDoseUptakeByVaccinationDatePercentage&format=csv"
var cumVaccinationSecondDoseUptakeByVaccinationDatePercentage ="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=cumVaccinationSecondDoseUptakeByVaccinationDatePercentage&format=csv"
var cumVaccinationThirdInjectionUptakeByPublishDatePercentage="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=cumVaccinationThirdInjectionUptakeByPublishDatePercentage&format=csv"

var newAdmissions = 'https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=newAdmissions&format=csv'
var newCasesBySpecimenDate = "https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=newCasesBySpecimenDate&format=csv"
var newOnsDeathsByRegistrationDate="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=newOnsDeathsByRegistrationDate&format=csv"
var newPeopleVaccinatedFirstDoseByVaccinationDate="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=newPeopleVaccinatedFirstDoseByVaccinationDate&format=csv"
var newPeopleVaccinatedSecondDoseByVaccinationDate ="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=newPeopleVaccinatedSecondDoseByVaccinationDate&format=csv"
var newPeopleVaccinatedThirdInjectionByVaccinationDate="https://api.coronavirus.data.gov.uk/v2/data?areaType=nation&areaCode=E92000001&metric=newPeopleVaccinatedThirdInjectionByVaccinationDate&format=csv"

[benjbach]

I have created the variables in data.js:
// NATION DATA
PHE_NATION_NEW_ADMISSIONS: [],
PHE_NATION_NEW_CASES: [],
PHE_NATION_NEW_DEATHS: [],
PHE_NATION_NEW_VACC_1: [],
PHE_NATION_NEW_VACC_2: [],
PHE_NATION_NEW_VACC_3: [],
PHE_NATION_CUM_ADMISSIONS: [],
PHE_NATION_CUM_CASES: [],
PHE_NATION_CUM_DEATHS: [],
PHE_NATION_CUM_VACC_1: [],
PHE_NATION_CUM_VACC_2: [],
PHE_NATION_CUM_VACC_3: [],