Add output for lunch break duration and rework config lunch option

src/i18n.ts

@@ -7,6 +7,7 @@ export enum MessageKey {
     parseTimeFailed,
     startTimeBeforeStopTimeError,
     promptLunchBreak,
+    unpaidLunch,
     promptLogged,
     none,
     startedWorking,
@@ -46,6 +47,10 @@ const messages: Record<MessageKey, Record<Language, string>> = {
         [Language.en]: 'Did you have a lunch break? [y/N]: ',
         [Language.fi]: 'Piditkö jo lounastauon? [k/E]: ',
     },
+    [MessageKey.unpaidLunch]: {
+        [Language.en]: 'Unpaid lunch duration:',
+        [Language.fi]: 'Palkattoman lounaan pituus:',
+    },
     [MessageKey.promptLogged]: {
         [Language.en]: 'How many hours did you log already? [00:00] ',
         [Language.fi]: 'Kuinka monta tuntia kirjasit jo? [00:00] ',