remove defmt (#18)

* refactor pump control logic to use update_pump_state function and add software reset on error

* refactor build configuration and logging; replace defmt with esp_println for output

Author: psytraxx

.cargo/config.toml

@@ -1,8 +1,8 @@
 [target.xtensa-esp32s3-none-elf]
-runner = "probe-rs run --chip=esp32s3"
+runner = "espflash flash -c esp32s3 -s 16mb -m dio -f 80mhz --no-skip --monitor"
 
 [env]
-DEFMT_LOG = "info"
+ESP_LOG = "INFO"
 ESP_WIFI_COUNTRY_CODE = "DE"
 
 [build]
@@ -12,8 +12,3 @@ target = "xtensa-esp32s3-none-elf"
 
 [unstable]
 build-std = ["alloc", "core"]
-
-[flash]
-mode = "qio"
-size = "16MB"
-frequency = "80MHz"