Add AccountService and ProjectService.

src/main/scala/service/AccountService.scala

@@ -0,0 +1,12 @@
+package service
+
+import model._
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+trait AccountService {
+
+  def getAccountByUserName(userName: String): Option[Account] =
+    Query(Accounts) filter(_.userName is userName.bind) firstOption
+
+}