Change default host to simcaqdb1 in config.json

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

config.json

 {
     "port": 3000,
     "monetdb": {
-        "host": "localhost",
+        "host": "simcaqdb1",
         "port": 50000,
         "dbname": "simcaq_dev",
         "user": "monetdb",