support auto generate TOC by date page

[zeronetscript]

I've created this PR before but I miss use the PR branch to do other commits, so I recreate this PR for better review.

first two commit cleans coffeelint warnings last one commit implements generate a TOC by date page

all above changes can be viewed at http://127.0.0.1:43110/19k2nhubaYsDJNPHL6iNs3D2K9Mgj66P4R