feat: prototyping possible interaction of database, controllers, services with auth service

backend/internal/controllers/auth.go

@@ -14,6 +14,25 @@ import (
 // @Produce json
 // @Router /auth/registrationBegin [post]
 func RegistrationBegin(c *gin.Context) {
+
+	var request models.RegistrationBeginRequest
+	
+	if err := c.ShouldBindJSON(&request); err != nil {
+		c.Status(http.StatusBadRequest)
+		return
+	}
+
+	auths := services.NewAuthService()
+
+	result, err := auths.Login(request)
+
+	if err != nil {
+		c.Status(http.StatusTeapot)
+		return 
+	} 
+
+	c.JSON(http.StatusFound, result)
+
 	c.Status(http.StatusNotImplemented)
 }