Add Daily{Snippets,Country,Channel}Metrics models
Add Daily{Snippets,Country,Channel}Metrics models

glogiotatidis/snippets-service,mozmar/snippets-service,mozmar/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,glogiotatidis/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service