Adds the given data to the given form by inserting hidden inputs.
Example
```javascript
let o = {name: "Smith", fname: "John"};
bbn.fn.addInputs(document.getElementById('myform'), o, 'bbn');
// Will write at the end of the given form:
//
//
```
Example
```javascript
let o = {
People: [
{name: "Smith", fname: "John"},
{name: "Smith", fname: "Eileen"}
],
Dates: ['2021-08-25', '2021-09-06']
};
bbn.fn.addInputs(document.getElementById('myform'), o);
// Will write at the end of the given form:
//
//
//
//
//
//
```
Adds the given data to the given form by inserting hidden inputs. BBN is a suite of PHP and JS libraries and VueJS components - all open-source! bbn.io, build applications, the quick way