Repo maintenance

.codecov.yml

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+codecov:
+  require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+  status:
+    project:
+      default:
+        target: 80%  # the required coverage value
+        threshold: 2%  # the leniency in hitting the target
+
+ignore:
+  - '**/tests/*.py'

RELEASING.md

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+- [Overview](#overview)
+- [Branching](#branching)
+  - [Single Repo Artifacts Branching](#single-repo-artifacts-branching)
+  - [Feature Branches](#feature-branches)
+- [Versioning](#versioning)
+  - [Version Numbers](#version-numbers)
+    - [Remote-Vector-Index-Build-Service Version Numbers](#remote-vector-index-build-service-version-numbers)
+- [Tagging](#tagging)
+- [Release Labels](#release-labels)
+
+## Overview
+
+This document explains the release strategy for artifacts in the remote-vector-index-service-worker.
+
+## Branching
+
+Projects create a new branch when they need to start working on 2 separate versions of the product, with the `main` branch being the furthermost release. 
+
+### Single Repo Artifacts Branching
+
+For the initial first release, remote-vector-index-build-service follows a simpler branching model with the next release always living on `main` and no patch branches.
+
+### Feature Branches
+
+Do not creating branches in the upstream repo, use your fork, for the exception of long lasting feature branches that require active collaboration from multiple developers. Name feature branches `feature/<thing>`. Once the work is merged to `main`, please make sure to delete the feature branch.
+
+## Versioning
+
+All distributions in this organization [follow SemVer](https://opensearch.org/blog/technical-post/2021/08/what-is-semver/). A user-facing breaking change can only be made in a major release. Any regression that breaks SemVer is considered a high severity bug.
+
+### Version Numbers
+
+#### Remote-Vector-Index-Build-Service Version Numbers
+
+The build number of the service is 3-digit `major.minor.patch` (e.g. `1.9.0`)
+
+### Tagging
+
+Create tags after a release that match the version number, `major.minor.patch`, without a `v` prefix.
+
+### Release Labels
+
+Repositories create consistent release labels, such as `v1.0.0`, `v1.1.0` and `v2.0.0`. Use release labels to target an issue or a PR for a given release. See [MAINTAINERS](MAINTAINERS.md#triage-open-issues) for more information on triaging issues.