Update link to "add-cluster" docs page (#6240)

src/features/add-cluster/__snapshots__/navigation-using-application-menu.test.tsx.snap

@@ -278,7 +278,7 @@ exports[`add-cluster - navigation using application menu when navigating to add
               </code>
                file. 
               <a
-                href="https://docs.k8slens.dev/main/catalog/add-cluster/"
+                href="https://docs.k8slens.dev/main/getting-started/add-cluster/"
                 rel="noreferrer"
                 target="_blank"
               >

src/renderer/components/+add-cluster/add-cluster.tsx

@@ -112,7 +112,7 @@ class NonInjectedAddCluster extends React.Component<Dependencies> {
           <code>~/.kube/config</code>
           {" file. "}
           <a
-            href={`${docsUrl}/catalog/add-cluster/`}
+            href={`${docsUrl}/getting-started/add-cluster/`}
             rel="noreferrer"
             target="_blank"
           >