#247: Implement basics of FlowReader

* start of work

reader/src/main/scala/za/co/absa/atum/reader/result/Page.scala

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2024 ABSA Group Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package za.co.absa.atum.reader.result
+
+import za.co.absa.atum.reader.basic.Reader
+
+class Page[T, F[_]](
+                     parentReader: Reader[F[_]],
+                     items: Vector[T],
+                     hasNext: Boolean,
+
+                   ) {
+
+  def apply(index: Int): T = items(index)
+
+  def pageSize: Int = items.size
+
+  def hasPrior: Boolean = {
+    ???
+  }
+
+  def prior: Page[T, F] = {
+    ???
+  }
+
+  def next: Page[T, F] = {
+    ???
+  }
+}