@slack/[email protected]

• Fixes bug where processBeforeResponse option did not ensure processing was complete before HTTP response was sent (#462) - thanks @aoberoi
• Adds the new Bolt for JS brand assets in the documentation site and README ($468) - thanks @shaydewael
• Adds Bolt for JS v2 Migration Guide in Japanese (#457) - thanks @seratch
• Corrects badly formatted string in the documentation example code (#460, #461) - thanks @takayukioda