License system implemented

src/data/models/files/filesApiModel.ts

@@ -0,0 +1,13 @@
+export class FilesApiModel {
+  name: string
+  size: number
+  content: string
+  url: string
+  copyright: CopyRightModel = new CopyRightModel()
+}
+
+class CopyRightModel {
+  license: string = ""
+  creator: string = ""
+  url: string = ""
+}