Dropped support for ArduinoJson 6 and updated doc

Author: mathieucarbou

README.md

@@ -43,7 +43,7 @@ He is making great Arduino libraries.
 - **Flexible Configuration:** ESPConnect can either control the configuration persistence for you or let you do it
 - **mDNS / DNS Support**
 - **Ethernet support**
-- **Ready for Arduino 3 (ESP-IDF 5.1)**
+- **Ready for Arduino 3 (ESP-IDF >= 5.1)**
 - **ESP8266 support** (except for Ethernet)
 - **Supports Static IP configuration**
 

docs/index.md

@@ -43,7 +43,7 @@ He is making great Arduino libraries.
 - **Flexible Configuration:** ESPConnect can either control the configuration persistence for you or let you do it
 - **mDNS / DNS Support**
 - **Ethernet support**
-- **Ready for Arduino 3 (ESP-IDF 5.1)**
+- **Ready for Arduino 3 (ESP-IDF >= 5.1)**
 - **ESP8266 support** (except for Ethernet)
 - **Supports Static IP configuration**
 

src/MycilaESPConnect.cpp

@@ -635,11 +635,7 @@ void Mycila::ESPConnect::_enableCaptivePortal() {
 
         // we have some results
         for (int i = 0; i < n; ++i) {
-  #if ARDUINOJSON_VERSION_MAJOR == 6
-          JsonObject entry = json.createNestedObject();
-  #else
-            JsonObject entry = json.add<JsonObject>();
-  #endif
+          JsonObject entry = json.add<JsonObject>();
           entry["name"] = WiFi.SSID(i);
           entry["rssi"] = WiFi.RSSI(i);
           entry["signal"] = _wifiSignalQuality(WiFi.RSSI(i));