1. add Turkish language in the default config.yaml
2. fix the tr key in the locales
Change-Id: I9e23d14e5b5114c8d827770b33b8254b9d7a3be2
(cherry picked from commit 23ea22a1de)
Add config/config.yaml to set default configurations. Use the config/local_config.yaml to set the custom configurations
Change-Id: I22049e478b6440c765751c8f17663f36f33c277a