Adding multiple GitOps versions in the Distro file

Author: Dhruv-Soni11

_distro_map.yml

@@ -418,6 +418,15 @@ openshift-gitops:
     gitops-docs-1.15:
       name: '1.15'
       dir: gitops/1.15
+    gitops-docs-1.16:
+      name: '1.16'
+      dir: gitops/1.16
+    gitops-docs-1.17:
+      name: '1.17'
+      dir: gitops/1.17
+    gitops-docs-1.18:
+      name: '1.18'
+      dir: gitops/1.18
 openshift-pipelines:
   name: Red Hat OpenShift Pipelines
   author: OpenShift documentation team <openshift-docs@redhat.com>