Small improvements

Settings cosmetic changes (spaces, smaller pin inputs, moved analog legend to wiki)
Uncommented STATUSPIN code (still defined out by default)
Removed adalight pin 3 lock
Added define for PSRAM

wled00/wled.h

@@ -118,7 +118,7 @@
 // The following is a construct to enable code to compile without it.
 // There is a code thet will still not use PSRAM though:
 //    AsyncJsonResponse is a derived class that implements DynamicJsonDocument (AsyncJson-v6.h)
-#ifdef ARDUINO_ARCH_ESP32
+#if defined(ARDUINO_ARCH_ESP32) && defined(WLED_USE_PSRAM)
 struct PSRAM_Allocator {
   void* allocate(size_t size) {
     if (psramFound()) return ps_malloc(size); // use PSRAM if it exists