more test/srg to examples/test/srg

examples/test/srg/cyclic-direct/cyclic-direct.gf

@@ -0,0 +1,7 @@
+cat S;
+
+fun f : S -> S ;
+fun g : S ;
+
+lin f s = { s = s.s } ;
+lin g = { s = "g" } ;