Add user db search

- Search user by email

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

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"nixcn-cms/config"
+	"nixcn-cms/data"
 	"nixcn-cms/logger"
 	"nixcn-cms/server"
 )
@@ -9,5 +10,6 @@ import (
 func main() {
 	config.Init()
 	logger.Init()
+	data.Init()
 	server.Start()
 }