bigest part of the api done

controllers/authentication/setup.go

@@ -0,0 +1,9 @@
+package authentication
+
+import "github.com/gin-gonic/gin"
+
+func Setup(r *gin.RouterGroup) {
+	r.GET("/logout", Logout)
+	r.POST("/login", Login)
+	r.POST("/register", Register)
+}