Add forecast accuracy to gauges view Forecast accuracy is calculated as the maximum deviation of confidence interval bounds from the prediction within the next four days. The JSON-aggregate of reference water levels is moved into a sub-select to avoid having to add further independent columns to the GROUP BY clause of the main statement.

# documentation
**/README*
**/docs
**/*.md

# backend binary
cmd/gemma/gemma

# Dependency directories
**/node_modules

# local dotenv environment variables file
client/.env.local

# Tags tables
**/TAGS