add chlorine-repl
confirm before deleting items
add navbar-ctrl
use navbar-ctrl to highlight active link
bootstrap app manually
add bootstrap config serverside (placeholder)
load entity fields from config instead
add custom_fields table
define custom_fields in models
insert custom_fields sample data
add fetch-custom-fields
add /config route
add add-column and drop-column to models
add add/remove-custom-field to models
add base-columns
add fn version of allowed-columns
add fn version of exported-columns
use exported-columns in get-all-data