feat(handlers): Add generic error handler

handlers/errorHandlers.js

@@ -0,0 +1,12 @@
+/*
+  Catch Errors Handler
+  With async/await, you need some way to catch errors
+  Instead of using try{} catch(e) {} in each controller, we wrap the function in
+  catchErrors(), catch and errors they throw, and pass it along to our express middleware with next()
+*/
+
+exports.catchErrors = (fn) => {
+  return function (req, res, next) {
+    return fn(req, res, next).catch(next)
+  }
+}