Add CHANGELOG.md

Author: ZzEeKkAa

CHANGELOG.md

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+<!--
+SPDX-FileCopyrightText: 2022 - 2023 Intel Corporation
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.90.0] - 2023-06-23
+
+### Added
+* First release.
+* Infrastructure to run benchmarks in independent threads.
+* Frameworks
+    * numpy
+    * python
+    * dpnp
+    * dpcpp
+    * numba
+    * numb-dpex
+* Benchmarks
+    * black_scholes
+    * dbscan
+    * gpairs
+    * kmeans
+    * knn
+    * l2_norm
+    * pairwise_distance
+    * pca
+    * rambo
+* Experimental framework
+    * numba-mlir
+* Experimental benchmarks
+    * multiple npbench benchmarks
+    * multiple polybench benchmarks