feat: Recovery-Download beim Booten

src/net/nl_recovery.h

@@ -0,0 +1,10 @@
+#ifndef NL_RECOVERY_H
+#define NL_RECOVERY_H
+
+/* Looks for the recovery station for at most 3 s. When it is there, joins it and
+   starts the recovery download; the chip resets on success, so this call may not return.
+   Must run before nl_wifi_start(): it drives the SDK Wi-Fi APIs directly, without the
+   nl_wifi_sm state machine, and feeds the watchdog itself while it waits. */
+void nl_recovery_try(void);
+
+#endif