go_crawler

build crawler with go

• update header for each website
• crawl website with break time from config
• add more random, break time, init crawl
• add more website config

@TODO:

• implement: https://godoc.org/golang.org/x/net/http2 request [https://posener.github.io/http2/, https://www.ianlewis.org/en/http2-and-go]
• extract keyword from each news
• filter news by keyword, domain
• show keyword day by day => top the most keyword exist in db
• Add word-processing <= bag of words, integrate dictionary to build 2,3 word