Revise README for project maintenance update

Update README to reflect project maintenance status

Update README.md

pref: 优化搜索时错误提示

增加环境变量 DISABLE_SEARCH

fix(douban): 无法获取豆瓣简介

Merge pull request #33 from skymkmk/master

fix: 修复 steam.js 的 typo 导致的 bug

build: use html-loader instead sed replace

Merge pull request #23 from tongyifan/master

fix(IMDb): 跟随IMDb页面更新解析

Update build.yml

only cache when success

enable kv storage

temp disable cache