Added node browser name format support for OPC-UA

[samson0v]

"mapping": [
      {
        "deviceNodePattern": "Root\\.0:Objects\\.3:Simulation",
        "deviceNamePattern": "Device asd",
        "attributes": [
          {
            "key": "humidity_dup",
            "path": "${ns=3;i=1004}"
          }
        ],
        "timeseries": [
          {
            "key": "humidity",
            "path": "${3:Sawtooth}"
          },
          {
            "key": "humidity_sub",
            "path": "${Test\\.Counter\\.CounterSubVar}"
          }
        ],