swapserverrpc: number of deposits for ServerLoopInQuoteRequest

This commit adds the number of deposits to the
ServerLoopInQuoteRequest that the client wants
to quote for.

Author: hieblmi

swapserverrpc/server.proto

@@ -289,11 +289,10 @@ message ServerLoopInQuoteRequest {
     //    litd/v0.2.0-alpha/commit=326d754
     string user_agent = 6;
 
-    // If this is a quote request for a static address loop in, this value
-    // defines the number of static address deposits that the client wants to
-    // quote for. The amount of the quote reflects the sum of all deposits. The
-    // number of deposits here is taken into consideration for the total swap
-    // fee.
+    // The number of static address deposits the client wants to quote for.
+    // If the number of deposits exceeds one the server will apply a per-input
+    // service fee. This is to cover for the increased on-chain fee the server
+    // has to pay when the sweeping transaction is broadcast.
     uint32 num_static_address_deposits = 7;
 }