Checkin time data column, checkin module

Signed-off-by: Asai Neko <sugar@sne.moe>

server/router.go

@@ -2,6 +2,7 @@ package server
 
 import (
 	"nixcn-cms/service/auth"
+	"nixcn-cms/service/checkin"
 
 	"github.com/gin-gonic/gin"
 )
@@ -10,4 +11,5 @@ func Router(e *gin.Engine) {
 	// API Services
 	api := e.Group("/api/v1")
 	auth.Handler(api.Group("/auth"))
+	checkin.Handler(api.Group("/checkin"))
 }