holdings: implement one holdings table using a query
holdings: implement one holdings table using a query

aumayr/beancount-web,beancount/fava,beancount/fava,beancount/fava,yagebu/fava,aumayr/beancount-web,yagebu/fava,aumayr/beancount-web,beancount/fava,yagebu/fava,beancount/fava,yagebu/fava,yagebu/fava,aumayr/beancount-web