* refactored platformio.ini, breaking up into variants/*.ini files

variants/station_g2/platformio.ini

@@ -0,0 +1,49 @@
+[Station_G2]
+extends = esp32_base
+board = station-g2
+build_flags =
+  ${esp32_base.build_flags}
+  -D STATION_G2
+  -D RADIO_CLASS=CustomSX1262
+  -D WRAPPER_CLASS=CustomSX1262Wrapper
+  -D LORA_TX_POWER=7
+;  -D P_LORA_TX_LED=35
+;  -D PIN_BOARD_SDA=5
+;  -D PIN_BOARD_SCL=6
+  -D PIN_USER_BTN=0
+  -D SX126X_DIO2_AS_RF_SWITCH=true
+  -D SX126X_DIO3_TCXO_VOLTAGE=1.8
+  -D SX126X_CURRENT_LIMIT=130.0f  ; for best TX power!
+;  -D SX126X_RX_BOOSTED_GAIN=1 - DO NOT ENABLE THIS!
+;  https://wiki.uniteng.com/en/meshtastic/station-g2#impact-of-lora-node-dense-areashigh-noise-environments-on-rf-performance
+
+build_src_filter = ${esp32_base.build_src_filter}
+lib_deps =
+  ${esp32_base.lib_deps}
+
+[env:Station_G2_repeater]
+extends = Station_G2
+build_flags =
+  ${Station_G2.build_flags}
+  -D ADVERT_NAME='"Station G2 Repeater"'
+  -D ADVERT_LAT=-37.0
+  -D ADVERT_LON=145.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${Station_G2.build_src_filter}
+  +<../examples/simple_repeater>
+
+[env:Station_G2_room_server]
+extends = Station_G2
+build_src_filter = ${Station_G2.build_src_filter}
+  +<../examples/simple_room_server>
+build_flags =
+  ${Station_G2.build_flags}
+  -D ADVERT_NAME='"Station G2 Room"'
+  -D ADVERT_LAT=-37.0
+  -D ADVERT_LON=145.0
+  -D ADMIN_PASSWORD='"password"'
+  -D ROOM_PASSWORD='"hello"'
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1