jargonsidebar script is created

[oolu4236]

Problem

refer to:

https://github.com/comcode-org/hackmud_wiki/pull/251/files/f45019c84b4da90c973b4e884911ba9801ec9866#r1472288555

pull request is in reference no side bar for glossary.

Context

Edited jargon sidebar script (line 136) in sidebar.js to include glossary/jargon dir.

[seanmakesgames]

we cover this work in #251