Added slices

Change-Id: I9dfaa9348fa82da844a04c0c2a58ce07e9fa3a28
diff --git a/src/app/interfaces/models.interface.ts b/src/app/interfaces/models.interface.ts
new file mode 100644
index 0000000..77c0534
--- /dev/null
+++ b/src/app/interfaces/models.interface.ts
@@ -0,0 +1,18 @@
+export interface IInstance {
+  id: number;
+  name: string;
+  backend_status: string;
+  created: string;
+}
+
+/**
+ * @whatItDoes Describes the slice model.
+ * @stable
+ */
+export interface ISlice {
+  id: number;
+  name: string;
+  backend_status: string;
+  created: string;
+}
+