Update merkl-sushiswap-v3 watcher config template

stack_orchestrator/data/config/watcher-merkl-sushiswap-v3/watcher-config-template.toml

@@ -2,7 +2,6 @@
   host = "0.0.0.0"
   port = 3008
   kind = "active"
-  gqlPath = '/'
 
   # Checkpointing state.
   checkpointing = true
@@ -22,15 +21,22 @@
   # Interval in number of blocks at which to clear entities cache.
   clearEntitiesCacheInterval = 1000
 
+  # Flag to specify whether RPC endpoint supports block hash as block tag parameter
+  rpcSupportsBlockHashParam = false
+
+  # Server GQL config
+  [server.gql]
+    path = "/"
+
     # Max block range for which to return events in eventsInRange GQL query.
     # Use -1 for skipping check on block range.
     maxEventsBlockRange = 1000
 
-  # Flag to specify whether RPC endpoint supports block hash as block tag parameter
-  rpcSupportsBlockHashParam = false
+    # Log directory for GQL requests
+    logDir = "./gql-logs"
 
     # GQL cache settings
-  [server.gqlCache]
+    [server.gql.cache]
       enabled = true
 
       # Max in-memory cache size (in bytes) (default 8 MB)