- fix: to export a Component in typescript, you need to create index.ts in each subfolder of the components folder !

src/model/Categories.ts

@@ -0,0 +1,6 @@
+export interface ICategory {
+  id?: number,
+  descr_it?: string
+  descr_en?: string
+  descr_es?: string
+}

src/model/index.ts

@@ -4,3 +4,5 @@ export * from './signin-option'
 export * from './signup-option'
 export * from './key-value'
 export * from './payload'
+
+export * from './Categories'