started a WASM version of the runtime

src/runtime/javascript/test-web.js

@@ -0,0 +1,21 @@
+mkAPI().then((pgf) => {
+    // Parse expression
+    console.log(pgf.readExpr("Pred (This Fish) Fresh"));
+/*
+    // Show it
+    console.log(expr.toString());
+
+    // Print its arity
+    console.log('arity', expr.arity());
+
+    pgf.readPGF("Foods.pgf").then((gr) => {
+        // Print the grammar name
+        console.log(gr.abstractName);
+        
+        // Access a language and print the concrete name
+        console.log(gr.languages["FoodsEng"].name);
+        
+        // Linearize an expression
+        console.log(gr.languages["FoodsEng"].linearize(expr));
+    });*/
+});