Add initial ps config and grammar for final

psConfig/tasks/final/final.conf

+[main]
+startdb=50;
+uttdb=55;
+silence=400;
+timeout=8;
+openDeviceDirectly=yes;
+alsadevice=sysdefault;
+
+[pocketsphinxinstance]
+name=getName;
+jsgf=../../../psGrammar/tasks/final/final.jsgf;
+rsbscope=/speechrec/psa/final/final;
+bestpath=no;
+autoload=yes;
+

psGrammar/tasks/final/final.jsgf

+#JSGF V1.0;
+grammar final;
+public <string> = [<robot>];
+
+<robot> = (tobi) | (robot) | (biron) | (pepper);