Dev Update Readme (#60)

* Update platformio.ini

* update x.0.2

bugfix:
- reset current after charge can now be saved in settings
- reducing the risk of corrupt files when saving the log file

* Update README.md

* moved bin files

moved bin files to www.evse-wifil.de/download

* v1.0.4

new:
- display rotation possible (esp32 only) 0°, 90°, 180°, 270°
- implementation of Modbus/TCP to control EVSE-WiFi externally
- new API parameter 'useMeter' to indicate that an energy meter is used

changed:
- EVSE modbus registers > 2002 are no longer editable
- switched to hw serial instead of sw serial (esp32 only)
- keep the charging data (GUI and oLED) until a new charging process starts
- Setting "reset current after charge" disabled and deactivated in remote mode to prevent confusing situations

bugfixes:
- log file was not shown in GUI while charging when using S0 meter.

* Update README.md

README.md

@@ -193,6 +193,7 @@ meterReading | actual meter reading in kWh
 currentP1 | actual current in A (phase 1)
 currentP2 | actual current in A (phase 2)
 currentP3 | actual current in A (phase 3)
+useMeter | energy meter is configured in EVSE-WiFi (true/false)
 
 
 #### Example
@@ -218,7 +219,8 @@ currentP3 | actual current in A (phase 3)
     "meterReading": 54.35,
     "currentP1": 8.54,
     "currentP2": 8.54,
-    "currentP3": 8.54
+    "currentP3": 8.54,
+    "useMeter": true
   }]
 }
 ```