Update README (#325)

update README

Author: chetna14manku

README.md

@@ -1,25 +1,64 @@
 # openshift-python-utilities
+
 Pypi: [openshift-python-utilities](https://pypi.org/project/openshift-python-utilities/)  
 A utilities repository for [openshift-restclient-python](https://github.com/openshift/openshift-restclient-python)
 
 ## Release new version
+
 ### requirements:
+
 * Export GitHub token
+
 ```bash
 export GITHUB_TOKEN=<your_github_token>
 ```
+
 * [release-it](https://github.com/release-it/release-it)
 
 Run the following once (execute outside repository dir for example `~/`):
+
 ```bash
 sudo npm install --global release-it
 npm install --save-dev @release-it/bumper
 ```
 ### usage:
+
 * Create a release, run from the relevant branch.  
 To create a 4.11 release, run:
+
 ```bash
 git checkout v4.11
 git pull
 release-it # Follow the instructions
 ```
+
+## Installation
+
+From source using [poetry](https://github.com/python-poetry/poetry).
+
+```
+git clone https://github.com/RedHatQE/openshift-python-utilities.git
+cd openshift-python-utilities
+poetry install
+```
+
+## Examples
+
+### Get Client
+
+```python
+from ocp_utilities.infra import get_client
+client = get_client(config_file=<path to kubeconfig>))
+```
+
+### Install Operator
+
+```python
+from ocp_utilities.operators import install_operator
+install_operator(
+    admin_client=client,
+    name=<operator name>,
+    channel=<channel>,
+    source=<source>,
+)
+```