Update README.md

Author: gianlucam76

README.md

@@ -1,2 +1,23 @@
 # jsonnet-controller
-A Jsonnet controller
+A Jsonnetcontroller. It can fetch Jsonnet files from:
+
+1. Flux Sources (GitRepository/OCIRepository/Bucket)
+2. ConfigMap/Secret
+
+process those files programmatically invoking jsonnet go module and store the output in its Status section. Sveltos addon-manager can then be used to deploy the output of the ytt-controller in all selected managed clusters.
+
+## Install
+
+kubectl apply -f https://raw.githubusercontent.com/gianlucam76/jsonnet-controller/main/manifest/manifest.yaml
+or if you want a specific version
+
+kubectl apply -f https://raw.githubusercontent.com/gianlucam76/jsonnet-controller/<tag>/manifest/manifest.yaml
+
+## Contributing
+
+❤️ Your contributions are always welcome! If you want to contribute, have questions, noticed any bug or want to get the latest project news, you can connect with us in the following ways:
+
+Read contributing guidelines
+Open a bug/feature enhancement on github contributions welcome
+Chat with us on the Slack in the #projectsveltos channel Slack
+Contact Us