[Stack] Move Arduino 'cont' stack into user RAM

As suggested [here](letscontrolit#1858 (comment)) the previous used flag may also enable WPS.
So I used [this suggestion](esp8266/Arduino#5148 (comment)) to only re-allocate the stack at link time.

Author: TD-er

platformio.ini

@@ -107,6 +107,8 @@ monitor_speed             = 115200
 ; NO_EXTRA_4K_HEAP - this forces the default NONOS-SDK user's heap location
 ;     Default currently overlaps cont stack (Arduino) with sys stack (System)
 ;     to save up-to 4 kB of heap. (starting core_2.4.2)
+; ESP8266_DISABLE_EXTRA4K  - Calls disable_extra4k_at_link_time() from setup
+;                            to force the linker keep user's stack in user ram.
 ; CONT_STACKSIZE to set the 'cont' (Arduino) stack size. Default = 4096
 
 [common]
@@ -218,6 +220,7 @@ debug_tool                = ftdi
 monitor_speed             = ${common.monitor_speed}
 board_build.partitions    = esp32_partition_app1810k_spiffs316k.csv
 board_upload.maximum_size = 1900544
+debug_extra_cmds          = break Misc.ino:3011
 
 
 [env:esp32dev]

src/ESPEasy.ino

@@ -106,6 +106,9 @@ int firstEnabledBlynkController() {
 \*********************************************************************************************/
 void setup()
 {
+#ifdef ESP8266_DISABLE_EXTRA4K
+  disable_extra4k_at_link_time();
+#endif
   WiFi.persistent(false); // Do not use SDK storage of SSID/WPA parameters
   WiFi.setAutoReconnect(false);
   setWifiMode(WIFI_OFF);