[Components] invoicing_plus

# invoicing_plus
## URLs
- https://api.invoicing.plus/v1/documentation
## Polling Sources
### new-invoice
#### Prompt
Emit new event when an invoice is validated. Required props: Invoice ID.
### new-payment
#### Prompt
Emit new event when a new payment is filled. Required props: Payment ID.
## Actions
### create-customer
#### Prompt
Create a new customer within the Invoicing Plus platform. Required props include 'customer_identifier' and 'customer_details'. Optional props may include 'billing_information', 'tax_information', and 'contact_details'
### pdf-invoice
#### Prompt
Fetch an invoice in PDF format linked to a specific invoice number within Invoicing Plus. Required prop is 'invoice_number'. No optional props are assumed for this action.
### create-invoice
#### Prompt
Generate a new invoice for a specific customer within Invoicing Plus. Required props include 'invoice_details' which may include invoice items, quantity, price, etc., and 'customer_identifier'. Optional props might include 'tax_details', 'discount_details', etc