Updated README --> new platform steps

README.md

@@ -253,6 +253,11 @@ make build-r-$PLATFORM
 
 ## Adding a new platform.
 
+### README
+
+1. Add the new platform to the `Supported Platforms` list.
+2. Add rpm package download instructions for the new platform.
+
 ### Dockerfile
 
 Create a `builder/Dockerfile.platform-version` (where `platform-version` is `ubuntu-2204` or `centos-7`, etc.) This file must contain four major tasks:
@@ -262,6 +267,10 @@ Create a `builder/Dockerfile.platform-version` (where `platform-version` is `ubu
 3. The `awscli`, 1.17.10+ if installed via `pip`, for uploading tarballs to S3
 4. `COPY` and `ENTRYPOINT` for the `build.sh` file in `builder/`.
 
+### Packaging script
+
+Create a `builder/package.platform-version` script (where `platform-version` is `ubuntu-2204` or `centos-7`, etc.). 
+
 ### docker-compose.yml
 
 A new service in the docker-compose file named according to the `platform-version` and containing the proper entries: