add sidebar
add bibtex and ref
finish detail sidebars, add search result page
fix typo
pdf process workflow
fix ctx_update
nginx & api page: /api
simple xapian searcher
use xappy as backend
add wordlist
sopaper indexer
pdftotext & filter
searcher refactor & content-query module
searcher
various fix
fix dbdir not exist problem
add search page
various fix
scripts