Update jsdoc.md

Add a section demonstrating how to import types from typescript libraries.

jsdoc.md

@@ -2,7 +2,7 @@
 title: Jsdoc
 category: JavaScript
 layout: 2017/sheet
-updated: 2017-10-29
+updated: 2019-01-10
 weight: -1
 ---
 
@@ -79,6 +79,18 @@ function play (song) {
 
 See: <http://usejsdoc.org/tags-typedef.html>
 
+### Importing Types
+```js
+/**
+ * @typedef {import('Foo').default} Bar
+ */
+ 
+/**
+ * @param {Bar} x
+ */
+function test(x) { }
+```
+
 ### Other keywords
 
 ```js