chore: update RELEASING.md (#32)

Author: ioannisj

RELEASING.md

@@ -13,14 +13,36 @@ Releasing
  3. Go to [GH Releases](https://github.com/PostHog/posthog-react-native-session-replay/releases)
  4. Choose a release name (e.g. `3.0.0`), and the tag you just created, ideally the same.
  5. Write a description of the release.
- 6. Publish the release.
- 7. Done
+ 6. Publish the GH release.
+ 7. Publish the package to NPM (see notes below)
+ 8. Done
 
- For the step 6. you can run the following command:
+### Publishing to NPM
 
-```bash
-# https://www.npmjs.com/package/posthog-react-native-session-replay
-# right now this is under the https://www.npmjs.com/~manoelposthog user
-# this has to be moved to the posthog user
-npm publish
-```
+> **Note:** The package is currently published at [posthog-react-native-session-replay](https://www.npmjs.com/package/posthog-react-native-session-replay) under the [manoelposthog](https://www.npmjs.com/~manoelposthog) user. This should eventually be moved to the posthog user.
+
+After completing steps 1-6 above, follow these steps to publish to NPM:
+
+#### Prerequisites
+- Ensure you have access to publish to the `posthog-react-native-session-replay` package on NPM
+- If you don't have access, contact the package maintainer (currently https://www.npmjs.com/~manoelposthog) to grant your NPM user access to the package
+
+#### Steps
+
+1. **Install dependencies** (if not done already, required for the build process):
+   ```bash
+   npm install
+   ```
+
+2. **Authenticate with NPM** (if not already authenticated):
+   ```bash
+   npm adduser
+   ```
+   Follow the prompts to log in with your NPM credentials.
+
+3. **Publish the package**:
+   ```bash
+   npm publish
+   ```
+
+The `npm publish` command will automatically run the `prepare` script which builds the package using `react-native-builder-bob` before publishing.