add MapKeyValueRepo.kt

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/Pagination.kt

@@ -50,3 +50,8 @@ fun calculatePagesNumber(datasetSize: Int, pageSize: Int): Int =
         datasetSize.toLong(),
         pageSize
     )
+
+/**
+ * @return calculated page number which can be correctly used in [PaginationResult] as [PaginationResult.page] value
+ */
+fun calculatePage(firstIndex: Int, resultsSize: Int): Int = firstIndex / resultsSize

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/PaginationResult.kt

@@ -23,6 +23,19 @@ fun <T> List<T>.createPaginationResult(
     pagination.size
 )
 
+fun <T> List<T>.createPaginationResult(
+    firstIndex: Int,
+    commonObjectsNumber: Long
+) = PaginationResult(
+    calculatePage(firstIndex, size),
+    calculatePagesNumber(
+        commonObjectsNumber,
+        size
+    ),
+    this,
+    size
+)
+
 fun <T> Pair<Long, List<T>>.createPaginationResult(
     pagination: Pagination
 ) = second.createPaginationResult(pagination, first)