Video request: JSDoc

Hi Daniel,

it would be really cool if you could do a video about JSDoc. If you don't know it's a tool which let's you create a documentation of your JS project just by adding well formatted comments before variables and functions.

[The JSDoc website](http://usejsdoc.org/)

Example ([Based on](http://usejsdoc.org/tags-type.html)) :

```js
/**
Returns the sum of all numbers passed to the function.
@param {...number} num A positive or negative number
@returns {number} The sum
*/
function sum(num) {
var i=0, n=arguments.length, t=0;
for (; i