Added Eclipse contents

eclipse/examples/functors/FoodsEng.gf

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+-- Functor Instantiation
+--# -path=.:/home/john/.cabal/share/gf-3.2.9/lib/present
+concrete FoodsEng of Foods = FoodsI - [Pizza] with
+  (Syntax = SyntaxEng),
+  (LexFoods = LexFoodsEng) **
+  open SyntaxEng, ParadigmsEng in {
+    lin Pizza = mkCN (mkA "Italian") (mkN "pie") ;
+}