Merge pull request #2 from Intreecom/update-readme

add: oci chart usage instructions

Author: s3rius

README.md

@@ -2,3 +2,17 @@
 
 
 You can find charts in charts folder and oci images for every chart in github packages.
+
+## How to use (example)
+#### yaml rendering
+```bash
+helm template oci://ghcr.io/intreecom/charts/py-app --version 0.1.0
+```
+#### show chart values
+```bash
+helm show values oci://ghcr.io/intreecom/charts/py-app --version 0.1.0
+```
+#### install chart
+```bash
+helm install py-app oci://ghcr.io/intreecom/charts/py-app --version 0.1.0
+```