Add CONECT to allowed sql verbs (#43)

Author: Sylvestre

lib/mssql.js

@@ -9,7 +9,7 @@ const TYPES = mssql.TYPES;
 
 const pools = new Map();
 
-const READ_ONLY = new Set(["SELECT", "USAGE"]);
+const READ_ONLY = new Set(["SELECT", "USAGE", "CONNECT"]);
 
 const ajv = new Ajv();
 const validate = ajv.compile({