chore(doc) mention table template incompatibility

long overdue: aurelia/templating#565

Author: Alexander-Taran

current/en-us/5. templating/1. basics.md

@@ -219,6 +219,10 @@ In some cases, especially when creating table rows out of Aurelia custom element
 
 The `as-element` attribute tells Aurelia that we want the content of the table row to be exactly what our `hello-row` template wraps. The way different browsers render tables means this may be necessary sometimes.
 
+> Warn
+> Internet explorer does not allow `<template>` elements inside `<table>` or `<select>`
+
+
 ## The View Resource Pipeline
 
 The basic idea behind the View Resource Pipeline is that we're not limited to HTML or JavaScript. A basic example would be pulling in Bootstrap: