docs: Update README md file (#132)

Change-Id: I1c7c118a542b7bdab9061dcd946cfa1c80d6d9eb

README.md

@@ -34,8 +34,8 @@ In order to install the CD Pipeline Operator, follow the steps below:
      ```bash
      helm search repo epamedp/cd-pipeline-operator -l
      NAME                              CHART VERSION   APP VERSION     DESCRIPTION
-     epamedp/cd-pipeline-operator      2.13.0          2.13.0          A Helm chart for EDP CD Pipeline Operator
-     epamedp/cd-pipeline-operator      2.12.1          2.12.1          A Helm chart for EDP CD Pipeline Operator
+     epamedp/cd-pipeline-operator      2.18.0          2.18.0          A Helm chart for EDP CD Pipeline Operator
+     epamedp/cd-pipeline-operator      2.17.0          2.17.0          A Helm chart for EDP CD Pipeline Operator
      ```
 
    _**NOTE:** It is highly recommended to use the latest released version._
@@ -54,7 +54,7 @@ In order to install the CD Pipeline Operator, follow the steps below:
 
 In order to develop the operator, first set up a local environment. For details, please refer to the [Developer Guide](https://epam.github.io/edp-install/developer-guide/local-development/) page.
 
-Development versions are also available, please refer to the [snapshot helm chart repository](https://epam.github.io/edp-helm-charts/snapshot/) page.
+Development versions are also available, please refer to the [snapshot Helm Chart repository](https://epam.github.io/edp-helm-charts/snapshot/) page.
 
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