Revert "* fix : regexp for index page"

This reverts commit 69c0562e61d13a47a054316ff65020d74403144c.
Revert "enhance : generate all meetup links automatically"

This reverts commit 5465e99cb54796fd60c7021c9566e62de2d10494.
add : meetup 13 link BY HAND

Because 'collection tag' is UNSAFE and github cannot build it.