Add platformio configuration.

flora/platformio.ini

@@ -0,0 +1,25 @@
+;PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+
+[platformio]
+src_dir = .
+
+[env:default]
+platform = espressif32
+board = lolin32
+board_build.partitions = no_ota.csv
+framework = arduino
+monitor_speed = 115200
+upload_speed = 1000000
+lib_deps =
+  PubSubClient
+
+