[DOC] Use `>` (single forward sign) to create configuration files with `echo`
[DOC] Use `>` (single forward sign) to create configuration files with `echo`

Closes #119

gouketsu/cookbook-elasticsearch,gouketsu/cookbook-elasticsearch,spuder/cookbook-elasticsearch,nbudin/cookbook-elasticsearch,gilt/cookbook-elasticsearch,zzugg/cookbook-elasticsearch,nbudin/cookbook-elasticsearch,vacay/vcy-elasticsearch,spuder/cookbook-elasticsearch,spuder/cookbook-elasticsearch,zzugg/cookbook-elasticsearch,gilt/cookbook-elasticsearch,nbudin/cookbook-elasticsearch,gouketsu/cookbook-elasticsearch,paulczar/cookbook-elasticsearch,gilt/cookbook-elasticsearch,michaeld/elasticsearch-cookbook,vacay/vcy-elasticsearch,vacay/vcy-elasticsearch,zzugg/cookbook-elasticsearch,GemHQ/cookbook-elasticsearch