Got healthbars persisting data to the database

app/imports/api/pickKeysAsOptional.js

@@ -0,0 +1,9 @@
+export default function pickKeysAsOptional(schema, keys){
+  let newSchema = schema.pick(...keys);
+  let optionalSchema = {};
+  for (let i of keys){
+    optionalSchema[i] = {optional: true}
+  };
+  newSchema.extend(optionalSchema);
+  return newSchema;
+};