[HIVEMALL-114] Add introductory pages to roots of content trees

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Assignee: Unassigned
• Reporter: Takuya Kitazawa
• Created: 07/Jun/17 09:31
• Updated: 26/Nov/19 07:07
• Resolved: 26/Nov/19 07:07

Description

In the current user guide, roots of content trees show blank pages e.g. https://hivemall.incubator.apache.org/userguide/binaryclass/news20.html

It is better to replace them with brief introductory pages.