[PNRv2] - Billing and services updates

[Kazarus4]

Need peer rv for FR subs before to continue.

[Kazarus4]

pages\account_and_service_management\managing_billing_payments_and_services\billing_best_practices
Line 51 => SCREEN MUST BE UPDATE (right column, last minute update)

pages\account_and_service_management\managing_billing_payments_and_services\how_to_cancel_services
Line 52 => SCREEN MUST BE UPDATE (right column, last minute update)

pages\account_and_service_management\managing_billing_payments_and_services\how_to_use_automatic_renewal
Line 77 => SCREEN MUST BE UPDATE (right column, last minute update)

pages\account_and_service_management\managing_billing_payments_and_services\invoice_management
Line 54 => SREEN MUST BE UPDATE (right column, last minute update)

pages\account_and_service_management\managing_billing_payments_and_services\manage-payment-methods
Line 22 => SCREEN MUST BE UPDATE (right column, last minute update)

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pages\account_and_service_management\managing_billing_payments_and_services\comment_resilier_le_private_cloud
pages\account_and_service_management\managing_billing_payments_and_services\facturation_private_cloud

these two guides could be check and update by a Private cloud expert.