[SYS] Multiple connections management (#1947)

Enable the management of different connections at runtime with a set of certs for each.
Add parameters to the WiFi Manager onboarding, client certificates, and certificate validation

environments.ini

@@ -328,9 +328,10 @@ build_flags =
   '-DZgatewayBT="BT"'
   '-DLED_SEND_RECEIVE=2'
   '-DLED_SEND_RECEIVE_ON=0'
+  '-DARDUINO_LOOP_STACK_SIZE=15000'
   '-DMQTT_SECURE_DEFAULT=true'
-  '-DMQTT_SECURE_SELF_SIGNED'
   '-DMQTT_CERT_VALIDATE_DEFAULT=true'
+  '-DMQTT_SECURE_SIGNED_CLIENT=true'
   '-DMQTT_SERVER="xxxxxxxxxxxxx-ats.iot.eu-west-2.amazonaws.com"'
   '-DMQTT_PORT="8883"'
   '-DMQTT_USER=""'
@@ -1366,18 +1367,6 @@ build_flags =
   '-DGateway_Name="OMG_TEST_MANUAL_WIFI"'
 board_build.flash_mode = dout
 
-[env:nodemcuv2-mqtt-fw-test]
-platform = ${com.esp8266_platform}
-board = nodemcuv2
-lib_deps =
-  ${com-esp.lib_deps}
-  ${libraries.wifimanager8266}
-build_flags =
-  ${com-esp.build_flags}
-  '-DMQTT_SECURE_SELF_SIGNED'
-  '-DGateway_Name="OMG_TEST_MQTT_FW"'
-board_build.flash_mode = dout
-
 [env:rf-wifi-gateway]
 platform = ${com.esp8266_platform}
 board = nodemcuv2
@@ -1748,4 +1737,5 @@ build_flags =
   '-DLED_SEND_RECEIVE_ON=0'
   '-DGateway_Name="OMG_ESP32_BLE"'
   '-DUSE_BLUFI=1'
+  '-DARDUINO_LOOP_STACK_SIZE=15000'
 custom_description = Regular BLE gateway based on esp-idf with adaptive scanning activated, automatically adapts the scan parameters depending on your devices