Add enabledFeatures configuration to the example configuration files

- Enables querytables from postgres as default

config/environments/development.js.example

@@ -174,6 +174,12 @@ var config = {
       x: 0,
       y: 0
     }
+
+    // Use this as a feature flags enabling/disabling mechanism
+    ,enabledFeatures: {
+        // whether the affected tables for a given SQL must query directly postgresql or use the SQL API
+        cdbQueryTablesFromPostgres: true
+    }
 };
 
 module.exports = config;

config/environments/production.js.example

@@ -183,6 +183,12 @@ var config = {
       x: 0,
       y: 0
     }
+
+    // Use this as a feature flags enabling/disabling mechanism
+    ,enabledFeatures: {
+        // whether the affected tables for a given SQL must query directly postgresql or use the SQL API
+        cdbQueryTablesFromPostgres: true
+    }
 };
 
 module.exports = config;

config/environments/staging.js.example

@@ -183,6 +183,12 @@ var config = {
       x: 0,
       y: 0
     }
+
+    // Use this as a feature flags enabling/disabling mechanism
+    ,enabledFeatures: {
+        // whether the affected tables for a given SQL must query directly postgresql or use the SQL API
+        cdbQueryTablesFromPostgres: true
+    }
 };
 
 module.exports = config;

config/environments/test.js.example

@@ -172,6 +172,12 @@ var config = {
       x: 0,
       y: 0
     }
+
+    // Use this as a feature flags enabling/disabling mechanism
+    ,enabledFeatures: {
+        // whether the affected tables for a given SQL must query directly postgresql or use the SQL API
+        cdbQueryTablesFromPostgres: true
+    }
 };
 
 module.exports = config;