feat: add missing confirmed_admissions_covid_1d_7dav meta signal

Author: sgratzl

src/server/endpoints/covidcast_utils/db_signals.csv

@@ -290,7 +290,9 @@ google-symptoms,anosmia_raw_search,TRUE,anosmia_smoothed_search,TRUE,{base_name}
 google-symptoms,sum_anosmia_ageusia_raw_search,FALSE,sum_anosmia_ageusia_raw_search,FALSE,Sum Anosmia Ageusia Searches,TRUE,"The sum of Google search volume for anosmia and ageusia related searches, in arbitrary units that are normalized for overall search users",,day,Date,Value,raw,public,bad,FALSE,FALSE,FALSE,FALSE,FALSE,
 google-symptoms,sum_anosmia_ageusia_raw_search,TRUE,sum_anosmia_ageusia_smoothed_search,TRUE,{base_name} (7-day average),TRUE,,,day,Date,Value,raw,public,bad,TRUE,FALSE,FALSE,FALSE,FALSE,
 hhs,confirmed_admissions_covid_1d,FALSE,confirmed_admissions_covid_1d,FALSE,Confirmed COVID-19 Admissions per day,TRUE,Sum of adult and pediatric confirmed COVID-19 hospital admissions occurring each day. ,,day,Date,Value,count,late,bad,FALSE,FALSE,FALSE,FALSE,FALSE,
+hhs,confirmed_admissions_covid_1d,,confirmed_admissions_covid_1d_7dav,TRUE,{base_name} (7-day average),TRUE,,,day,Date,Value,count,late,bad,TRUE,FALSE,FALSE,FALSE,FALSE,
 hhs,sum_confirmed_suspected_admissions_covid_1d,FALSE,sum_confirmed_suspected_admissions_covid_1d,FALSE,Confirmed and Suspected COVID-19 Admissions per day,TRUE,Sum of adult and pediatric confirmed and suspected COVID-19 hospital admissions occurring each day. ,,day,Date,Value,count,late,bad,FALSE,FALSE,FALSE,FALSE,FALSE,
+hhs,sum_confirmed_suspected_admissions_covid_1d,,sum_confirmed_suspected_admissions_covid_1d_7dav,TRUE,{base_name} (7-day average),TRUE,,,day,Date,Value,count,late,bad,TRUE,FALSE,FALSE,FALSE,FALSE,
 hospital-admissions,smoothed_covid19,FALSE,smoothed_covid19,FALSE,COVID-19 Admissions (EMR and Claims),FALSE,Estimated percentage of new hospital admissions with COVID-associated diagnoses,"{short_description}, based on counts of electronic medical records and claims from health system partners, smoothed in time using a Gaussian linear smoother. 
 
 Discontinued October 1, 2020.",day,Date,Value,percent,late,bad,TRUE,FALSE,FALSE,FALSE,FALSE,