add dynmic exercsie list, keywords(hardcoded), datafields(hardcoded), adding exercises from exercise list, and show hide for delete button.

app.js

@@ -49,6 +49,7 @@ require('./routes/users')(app);
 require('./routes/session')(app);
 require('./routes/workouts')(app);
 require('./routes/admin')(app);
+require('./routes/api')(app);
 
 http.createServer(app).listen(app.get("port"), function(){
   console.log ("Server listening on port " + app.get("port"));