fix(bots/discord/utils/duration): make second the default unit

Author: PalmDevs

bots/discord/src/utils/duration.ts

@@ -1,5 +1,6 @@
 import parse from 'parse-duration'
 
+parse[''] = parse['s']
 parse['mo'] = parse['M'] = parse['month']!
 
 const defaultUnitValue = parse['']!