Added english and french parameterized toy0 cocnrete sytnaxes.

examples/regulus/toy0/Toy0Eng.gf

@@ -0,0 +1,5 @@
+--# -path=.:present:prelude
+
+concrete Toy0Eng of Toy0 = Toy0I with
+  (Syntax = SyntaxEng),
+  (Lexicon = LexiconEng) ;

examples/regulus/toy0/Toy0Fre.gf

@@ -0,0 +1,5 @@
+--# -path=.:present:prelude
+
+concrete Toy0Fre of Toy0 = Toy0I with
+  (Syntax = SyntaxFre),
+  (Lexicon = LexiconFre) ;