reduce image size with platformio builds, make it (almost) same as for Arduino builds

partitions-esp32v2.csv

@@ -0,0 +1,7 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x140000,
+app1,     app,  ota_1,   0x150000,0x140000,
+spiffs,   data, spiffs,  0x290000,0x160000,
+coredump, data, coredump,0x3F0000,0x10000,

platformio.ini

@@ -19,14 +19,16 @@ lib_deps_builtin =
 lib_deps_external =
     olikraus/U8g2 @ ^2.35.8
     stevemarple/MicroNMEA @ ^2.0.5
-    me-no-dev/ESP Async WebServer @ ^1.2.3
+    ; This is an old version with regex support unconditionally compiled in (adds >100k of code)
+    ; me-no-dev/ESP Async WebServer @ ^1.2.3
+    https://github.com/me-no-dev/ESPAsyncWebServer/archive/refs/heads/master.zip
     ; https://github.com/moononournation/Arduino_GFX#v1.1.5
     https://github.com/moononournation/Arduino_GFX#v1.2.9
     https://github.com/dx168b/async-mqtt-client
 
 [env:ttgo-lora32]
 platform = https://github.com/platformio/platform-espressif32.git#v3.3.2
-#platform = https://github.com/platformio/platform-espressif32.git#v6.3.2
+# platform = https://github.com/platformio/platform-espressif32.git#v6.4.0
 #platform = https://github.com/platformio/platform-espressif32.git#v4.4.0
 board = ttgo-lora32-v1
 framework = arduino
@@ -36,6 +38,8 @@ lib_deps =
 	${extra.lib_deps_external}
 	paulstoffregen/Time@^1.6.0
 lib_ignore = Time
+; Same as with ArduinoIDE. Saves around 27k code
+build_flags = -DCORE_DEBUG_LEVEL=0
 
 ; Add / remove the following two lines for separate fonts partition in flash
 ; after changes:
@@ -48,3 +52,6 @@ lib_ignore = Time
 extra_scripts = post:scripts/makefontpartition.py
 ;board_build.partitions = partition-fonts.csv
 
+; Uncomment the following if you want to have the partition scheme used in the ESP32 board version 2.0.x of ArduinoIDE
+; board_build.partitions = partitions-esp32v2.csv
+