Added a requirements file, and updated README.

hack/README.md

@@ -1,9 +1,9 @@
 # generate_os_release_images.py
 
-## Requriments
+## Requirements
 
 ```shell
-pip install semver beautifulsoup4
+python3 -m pip install -r ./requirements.txt
 ```
 
 ## Usage
@@ -13,3 +13,20 @@ Here's an example for multiple different ocp versions:
 ```shell
 ./generate_os_release_images.py -a x86_64 -v 4.12.29 -v 4.11.30 -v 4.13.2 -v 4.14.12 -v 4.15.1
 ```
+
+## Sample Output
+```yaml
+os_images:
+  - cpu_architecture: x86_64
+    openshift_version: '4.14'
+    rootfs_url: https://mirror.openshift.com/pub/openshift-v4/x86_64/dependencies/rhcos/4.14/4.14.15/rhcos-live-rootfs.x86_64.img
+    url: https://mirror.openshift.com/pub/openshift-v4/x86_64/dependencies/rhcos/4.14/4.14.15/rhcos-4.14.15-x86_64-live.x86_64.iso
+    version: 414.92.202402261929-0
+release_images:
+  - cpu_architecture: x86_64
+    cpu_architectures:
+      - x86_64
+    openshift_version: '4.14'
+    url: quay.io/openshift-release-dev/ocp-release:4.14.30-x86_64
+    version: 4.14.30
+```

hack/requirements.txt

@@ -0,0 +1,7 @@
+lxml
+requests
+bs4
+semver
+beautifulsoup4
+pyyaml
+