[DEC] Updates on the Cielo E-commerce API documentation

Guidance on using Click to Pay added:
- When the card is tokenized, Click to Pay returns the CAVV and sending the security code is not required.
- When the card is not tokenized, sending the security code is required.
The usage flow for 3DS with Silent Order POST added to the documentation:
- An explanatory diagram of the process was included, covering the previous step and the authorization call.
Added codes 100, BP900 and BP903 to the void return codes table:
- 100: Transaction not found for void. This occurs when a partial void attempt is made before settlement.
- BP900: Operation failed. Try again in 5 minutes. We recommend running a transaction status query before making a new request.
- BP903: Void failed. Try again.