add chemistry info database for local
add import data
update ignore
refactor search backend
redesign search
simplify model choice
update const model category database
add model desc
choice and cancel all models
update
Merge pull request #53 from tianweidut/add-local-search

Add local search
update ignore
Merge pull request #55 from tianweidut/update-model-check

Update model check
update gitignore
delete useless files
rename
simple pages
delete useless
use global calculate
delete step4