Magic linstor defaults config

files/memory-defaults.yaml

+NodeConnections:
+  - Node1: vsalgo-node-1
+    Node2: vsalgo-node-2
+    RequiredConnections: [ cluster, admin, internal ]
+  - Node1: vsalgo-node-2
+    Node2: vsalgo-node-3
+    RequiredConnections: [ cluster, admin, internal ]
+  - Node1: vsalgo-node-1
+    Node2: vsalgo-node-3
+    RequiredConnections: [ cluster, admin, internal ]
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