BLE Spam add Windows SwiftPair spam

Co-authored-by: Spooks <62370103+Spooks4576@users.noreply.github.com>

applications/external/ble_spam/protocols/swiftpair.h

@@ -0,0 +1,11 @@
+#pragma once
+#include "_base.h"
+
+// Hacked together by @Willy-JL and @Spooks4576
+// Documentation at https://learn.microsoft.com/en-us/windows-hardware/design/component-guidelines/bluetooth-swift-pair
+
+typedef struct {
+    char display_name[25];
+} SwiftpairMsg;
+
+extern const BleSpamProtocol ble_spam_protocol_swiftpair;