add informations and a production env example

prod_env.ini.example

@@ -0,0 +1,43 @@
+[platformio]
+default_envs = 
+  esp32dev-ble-1
+  esp32dev-ble-2
+
+;esp32 1
+[env:esp32dev-ble-1]
+platform = ${com.esp32_platform}
+board = esp32dev
+board_build.partitions = min_spiffs.csv
+lib_deps =
+  ${com-esp.lib_deps}
+  ${libraries.ble}
+build_flags = 
+  ${com-esp.build_flags}
+  '-DZgatewayBT="BT"'
+  '-DGateway_Name="OpenMQTTGateway_ESP32_1"'
+upload_protocol = espota
+upload_port = 192.168.1.82
+upload_flags =
+  --auth=OTAPASSWORD
+upload_speed = 512000
+monitor_speed = 115200
+
+;esp32 2
+[env:esp32dev-ble-2]
+platform = ${com.esp32_platform}
+board = esp32dev
+board_build.partitions = min_spiffs.csv
+lib_deps =
+  ${com-esp.lib_deps}
+  ${libraries.ble}
+build_flags = 
+  ${com-esp.build_flags}
+  '-DZgatewayBT="BT"'
+  '-DGateway_Name="OpenMQTTGateway_ESP32_2"'
+  ;-DCORE_DEBUG_LEVEL=4
+upload_protocol = espota
+upload_port = 192.168.1.111
+upload_flags =
+  --auth=OTAPASSWORD
+upload_speed = 512000
+monitor_speed = 115200