Many updates and improvements

- yamllint
- shfmt config
- fix Go bin path
- fix git credentials config
- add nvm default packages
- updated Brewfile

local/bin/x-backup-mysql-with-prefix.sh

@@ -41,4 +41,3 @@ mysqldump \
       | mysql "${DATABASE}" \
       | sed '/Tables_in/d'
   )" > "${FILENAME_TIMESTAMP}"
-