release note for 2.7.0 (#865) (#867)

Signed-off-by: Dhrubo Saha <[email protected]>
(cherry picked from commit 90e5ea0)

Co-authored-by: Dhrubo Saha <[email protected]>

Author: opensearch-trigger-bot[bot]

release-notes/opensearch-ml-common.release-notes-2.7.0.0.md

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+## Version 2.7.0.0 Release Notes
+
+Compatible with OpenSearch 2.7.0
+
+### Experimental Features
+
+* Add metrics correlation algorithm. ([#845](https://github.com/opensearch-project/ml-commons/pull/845))
+
+### Enhancements
+
+* Add model auto deploy feature ([#852](https://github.com/opensearch-project/ml-commons/pull/852))
+* Add memory consumption estimation for models in profile API ([#853](https://github.com/opensearch-project/ml-commons/pull/853))
+* Add text docs ML input ([#830](https://github.com/opensearch-project/ml-commons/pull/830))
+* Add allow custom deployment plan setting; add deploy to all nodes field in model index ([#818](https://github.com/opensearch-project/ml-commons/pull/818))
+* Add exclude nodes setting. ([#813](https://github.com/opensearch-project/ml-commons/pull/813))
+* set model state as partially loaded if unload model from partial nodes ([#806](https://github.com/opensearch-project/ml-commons/pull/806))
+
+### Bug Fixes
+
+* change to old method to fix missing method createParentDirectories ([#759](https://github.com/opensearch-project/ml-commons/pull/759))
+* fix delete model API ([#861](https://github.com/opensearch-project/ml-commons/pull/861))
+* fix breaking changes of Xcontent namespace change ([#838](https://github.com/opensearch-project/ml-commons/pull/838))
+* Change the ziputil dependency to fix a potential security concern ([#824](https://github.com/opensearch-project/ml-commons/pull/824))
+* fix checkstyle version ([#792](https://github.com/opensearch-project/ml-commons/pull/792))
+* Typo fix and minor improvement in maven-publish GHA workflow ([#757](https://github.com/opensearch-project/ml-commons/pull/757))
+
+### Documentation
+
+* add docker-compose file for starting cluster with dedicated ML node ([#799](https://github.com/opensearch-project/ml-commons/pull/799))
+
+### Maintenance
+
+* Increment version to 2.7.0-SNAPSHOT ([#742](https://github.com/opensearch-project/ml-commons/pull/742))
+* Publish snapshots to maven via GHA ([#754](https://github.com/opensearch-project/ml-commons/pull/754))
+
+### Refactoring
+
+* rename API/function/variable names ([#822](https://github.com/opensearch-project/ml-commons/pull/822))
+* rename model meta/chunk API ([#827](https://github.com/opensearch-project/ml-commons/pull/827))