[fix]: Add quotes to merge flag in YAML (#755)

Signed-off-by: Kfir Toledo <[email protected]>
Co-authored-by: Etai Lev Ran <[email protected]>

Author: kfirtoledo

website/content/en/docs/main/concepts/services.md

@@ -220,7 +220,7 @@ metadata:
   name: iperf3-server
   namespace: default
   labels:
-    import.clusterlink.net/merge: true
+    import.clusterlink.net/merge: "true"
 spec:
   port:       5000
   sources:

website/content/en/docs/v0.4/concepts/services.md

@@ -220,7 +220,7 @@ metadata:
   name: iperf3-server
   namespace: default
   labels:
-    import.clusterlink.net/merge: true
+    import.clusterlink.net/merge: "true"
 spec:
   port:       5000
   sources: