Move release process doc and update READMEs (nginx#1038)

* Move release process doc and update READMEs

* Release feedback

* Fix typos

Author: miledxz

README.md

@@ -54,6 +54,19 @@ to the correct versions:
 | Latest release | For experimental use                     | Use the 0.6.0 image from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway)                                                                                                                                                        | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/deploy). | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/v0.6.0/examples). |
 | Edge           | For experimental use and latest features | Use the edge image                                                                                                                                                         from [GitHub](https://github.com/nginxinc/nginx-kubernetes-gateway/pkgs/container/nginx-kubernetes-gateway) | [Manifests](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/deploy).   | [Documentation](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/docs). [Examples](https://github.com/nginxinc/nginx-kubernetes-gateway/tree/main/examples).     |
 
+### Versioning
+
+NKG uses semantic versioning for its releases. For more information, see https://semver.org.
+
+> Major version zero `(0.Y.Z)` is reserved for development, anything MAY change at any time. The public API is not stable.
+
+### Release Planning and Development
+
+The features that will go into the next release are reflected in the
+corresponding [milestone](https://github.com/nginxinc/nginx-kubernetes-gateway/milestones). Refer to
+the [Issue Lifecycle](ISSUE_LIFECYCLE.md) document for information on issue creation and assignment to releases.
+
+
 ## Technical Specifications
 
 The following table lists the software versions NGINX Kubernetes Gateway supports.

docs/README.md

@@ -17,6 +17,7 @@ yourself.
 - [Running on Kind](running-on-kind.md): Walkthrough on how to run NGINX Kubernetes Gateway on a `kind` cluster.
 - [CLI Help](cli-help.md): Describes the commands available in the `gateway` binary of `nginx-kubernetes-gateway`
 container.
+- [Monitoring](monitoring.md): Information on monitoring NGINX Kubernetes Gateway using Prometheus metrics.
 
 ### Directories
 

docs/developer/logging-guidelines.md

@@ -405,7 +405,7 @@ As NKG evolves, we might change the logging. For example:
 - Change the default key-value pairs and their representation.
 
 Such changes should be considered a breaking change and handled according
-to our [release process](/docs/release-process.md) because they will require users to update their log processing
+to our [release process](/docs/developer/release-process.md) because they will require users to update their log processing
 pipelines.
 
 At the same time, changes to individual log messages are not breaking changes.

docs/release-process.md renamed to docs/developer/release-process.md

@@ -12,7 +12,7 @@ NKG uses semantic versioning for its releases. For more information, see https:/
 
 The features that will go into the next release are reflected in the
 corresponding [milestone](https://github.com/nginxinc/nginx-kubernetes-gateway/milestones). Refer to
-the [Issue Lifecycle](../ISSUE_LIFECYCLE.md) document for information on issues creation and assignment to releases.
+the [Issue Lifecycle](/ISSUE_LIFECYCLE.md) document for information on issue creation and assignment to releases.
 
 ## Releasing