Issue template: Recommend to run tsc directly (microsoft#17246)

Andy · web-flow · commit de9a67f2f3c5 · 2017-07-17T14:45:21.000-07:00
* Issue template: Recommand to run `tsc` directly

* List some common build tools
diff --git a/issue_template.md b/issue_template.md
@@ -8,7 +8,7 @@
 
 ```ts
 // A *self-contained* demonstration of the problem follows...
-
+// Test this by running `tsc` on the command-line, rather than through another build tool such as Gulp, Webpack, etc.
 ```
 
 **Expected behavior:**
