add API modules for Polish

lib/src/api/CombinatorsPol.gf

@@ -0,0 +1,6 @@
+--# -path=.:alltenses:prelude
+
+resource CombinatorsPol = Combinators with 
+  (Cat = CatPol),
+  (Structural = StructuralPol),
+  (Constructors = ConstructorsPol) ;

lib/src/api/ConstructorsPol.gf

@@ -0,0 +1,3 @@
+--# -path=.:alltenses:prelude
+
+resource ConstructorsPol = Constructors with (Grammar = GrammarPol) ;

lib/src/api/SyntaxPol.gf

@@ -0,0 +1,5 @@
+--# -path=.:alltenses:prelude
+
+instance SyntaxPol of Syntax = 
+  ConstructorsPol, CatPol, StructuralPol, CombinatorsPol ;
+

lib/src/api/TryPol.gf

@@ -0,0 +1,12 @@
+--# -path=.:alltenses:prelude
+
+resource TryPol = SyntaxPol, LexiconPol, ParadigmsPol - [mkAdv] ** 
+  open (P = ParadigmsPol) in {
+
+oper
+
+  mkAdv = overload SyntaxPol {
+    mkAdv : Str -> Adv = P.mkAdv ;
+  } ;
+
+}