[admin] Rennes - Add Renater network link

generators/input/sites/rennes/net-links/c6509-grid.yaml

@@ -13,6 +13,12 @@ c6509-grid:
   routes: {}
 
   linecards: 
+    1: 
+      kind: virtual
+      naming_pattern: Te%LINECARD%/%PORT%
+      rate: 10000000000
+      ports:
+        1: renater-rennes
     2: 
       kind: node
       naming_pattern: Gi%LINECARD%/%PORT%