feat: references check

... and fixes: parse fields without tags and other logical errors

tests/testdata/src/references_check/negative.go

@@ -0,0 +1,24 @@
+package references_check
+
+type WorkArea struct {
+	Id         uint     `gorm:"primaryKey"`
+	Workshop   Workshop `gorm:"foreignKey:WorkshopId;references:Id;"`
+	WorkshopId uint
+}
+
+type Workshop struct {
+	Id        uint `gorm:"primaryKey"`
+	Name      string
+	WorkAreas []WorkArea `gorm:"constraint:OnDelete:CASCADE;"`
+}
+
+type TeamType struct {
+	Code uint   `gorm:"primaryKey"`
+	Name string `gorm:"not null"`
+}
+
+type TeamTask struct {
+	Id         uint `gorm:"primaryKey"`
+	TeamTypeId uint
+	TeamType   TeamType `gorm:"references:Code;"`
+}