changing config structure
- add env to determine server environment such as dev or prod
- config shared file added
- updated node module
- mark up code style
- add config files
Revert "- updated node module"

This reverts commit d453c2943fa584a920e5859b94147405bac98b8d.
ignore all config files
Merge branch 'master' of https://github.com/colora61292/node-lab
syn
Merge branch 'master' of https://github.com/colora61292/node-lab
commit code
Merge branch 'master' of https://github.com/colora61292/node-lab