Create part payment widget

Create a widget which displays the suggested part payment price on product pages.

You need to be able to configure the following:

1. On/Off:
   Ability to turn feature on/off.
2. Min.price:
   Only display the widget for products which price, incl. tax, is within the given range.
   Where productPrice between Min.price and <maxLimit>50000.00</maxLimit>
   Get maxLimit using api getPaymentMethods
3. Payment method:
   You should be able to configure which payment method part payment data is based on.
   Only show payment methods that are eligible for installment.
   Where <specificType>PART_PAYMENT</specificType> or <specificType>REVOLVING_CREDIT</specificType>
   Get specificType using api getPaymentMethods
4. Months:
   Choose number of months for the selected payment method in step 3.
   Get available annuity factors using api getAnnuityFactors

On product pages.

“Installment from 129 SEK - 12 month. Read more…”

• The payment method used for part payments include a min. max. amount on its own, which we also need to check before displaying the widget.
• Prices should be rounded to next integer.
• Read more.. can be a Pop-Up window populated using getCostOfPurchaseHtml.