Prepare web server with embedded files

platformio.ini

@@ -15,6 +15,13 @@ lib_deps =
     robtillaart/SHT31@^0.5.2
 #   adafruit/Adafruit NeoPixel
 
+# only these files will be emedded into firmware
+board_build.embed_files = 
+	lib/generated/index.html.gz
+	lib/generated/index.js.gz
+	lib/generated/index.css.gz
+	lib/generated/config.json.gz
+
 extra_scripts =
     pre:extra_pre.py
     post:extra_post.py
@@ -27,8 +34,9 @@ build_flags =
 
 [env:esp32-s3-nano]
 build_type = release # debug | release
-#board = esp32-s3-devkitc-1
-board = arduino_nano_esp32
+# board = esp32-s3-devkitc-1
+board = esp32_s3_nano
+#board = arduino_nano_esp32 # ATTENTION! Pin numbering scheme changes
 board_upload.flash_size = 16MB
 board_build.partitions = default.csv
 upload_port = /dev/ttyACM0