chore(doc): add a release section on the contributing doc (#85)

add a release section on the contributing doc

Author: EveJulliard

packages/eslint-plugin/CONTRIBUTING.md

@@ -7,13 +7,13 @@ It is important to keep it up to date and to add new rules and configurations wh
 
 If you feel that a rule could be useful to all react-native new projects, you can add it to the plugin by following these steps:
 
-### Open an issue to discuss the rule with the community
+### 1. Open an issue to discuss the rule with the community
 
 - Go to this link : [RFC for a new rule on eslint-plugin ⭐](https://github.com/bamlab/react-native-project-config/issues/new?assignees=&labels=%F0%9F%93%8F+eslint-plugin%2C%E2%AD%90+enhancement&projects=&template=RFC-NEW-RULE.yml&title=%5BRFC%5D%3A+plugin%3Arule-name)
 - Fill the template with any relevant information about the rule (why it is needed, how it works, shareable configs to add it to, etc.)
 - Submit the issue and share it with the community
 
-### After the discussion, if the rule is approved, you can create a PR to add the rule to the plugin
+### 2. After the discussion, if the rule is approved, you can create a PR to add the rule to the plugin
 
 - Create a new branch from `main` with the name `feat/plugin-rule-name`
 - Go to the corresponding shareable config file (for example `recommended.js`) and add the rule to the `rules` object:
@@ -145,3 +145,8 @@ module.exports = {
 ```
 
 The package containing your plugin should be added as a [peer dependency](https://classic.yarnpkg.com/en/docs/dependency-types/) by running `yarn add --peer eslint-plugin-some-plugin`.
+
+## Release your changes on NPM
+
+Once your PR has been merged, your changes will be added to the `main` branch of the project. However they won't be accessible for current plugin users, since the plugin is available through versionned npm packages.
+If you need to release a new version of the package including your changes, please follow this [Publishing a new version of a package](https://github.com/bamlab/react-native-project-config/blob/main/README.md#publishing-a-new-version-of-a-package) section.