add Fastwyre to carrier passthrough fees (#560)

Author: hey-august

website/docs/main/home/messaging/sms/carrier-passthrough-fees/index.mdx

@@ -12,7 +12,7 @@ sidebar_position: 2
 U.S. and Canadian carriers apply [**per-segment**](/messaging/guides/general/messaging-character-limits#what-is-a-message-segment) surcharges or fees to A2P (Application-to-Person) traffic.
 These fees are charged by carriers (like AT&T, T-Mobile, and Verizon) for **sending or receiving** SMS and MMS messages on their networks. 
 
-Fees vary by carrier, message type (SMS or MMS), and direction (inbound or outbound).
+Fees vary by carrier, message type (SMS or MMS), and direction (inbound or outbound). 
 
 - **Inbound / Mobile Originating (MO):** Messages *received by* SignalWire phone numbers
 - **Outbound / Mobile Terminating (MT):** Messages *sent by* SignalWire phone numbers
@@ -63,6 +63,7 @@ numbers.
     | Copper Valley Wireless                      | $0.0035       | $0.0035      | United States |
     | CTC (Cambridge Telephone Company)           | $0.0035       | $0.0035      | United States |
     | CTCI (Custer Tel)                           | $0.0035       | $0.0035      | United States |
+    | Fastwyre                                    | $0.0035       | $0.0035      | United States |
     | GCI Wireless                                | $0.0035       | $0.0035      | United States |
     | Inland Cellular                             | $0.0035       | $0.0035      | United States |
     | James Valley Wireless LLC                   | $0.0035       | $0.0035      | United States |