* feat: new portal & network manager

* refactor: migrate from PubSubClient to ArduinoMqttClient
* refactor: migrate from EEManager to FileData
* chore: bump ESP Telnet to 2.2
* chore: bump TinyLogger to 1.1.0

lib/Connection/Connection.h

@@ -0,0 +1,43 @@
+#if defined(ARDUINO_ARCH_ESP8266)
+  #include <ESP8266WiFi.h>
+  #include "lwip/etharp.h"
+#elif defined(ARDUINO_ARCH_ESP32)
+  #include <WiFi.h>
+#endif
+
+struct Connection {
+  enum class Status {
+    CONNECTED,
+    CONNECTING,
+    GOT_IP,
+    DISCONNECTED
+  };
+
+  enum class DisconnectReason {
+    BEACON_TIMEOUT,
+    NO_AP_FOUND,
+    AUTH_FAIL,
+    ASSOC_FAIL,
+    HANDSHAKE_TIMEOUT,
+    DHCP_TIMEOUT,
+    OTHER,
+    NONE
+  };
+
+  static Status status;
+  static DisconnectReason disconnectReason;
+  
+  static void setup(bool useDhcp);
+  static void setUseDhcp(bool value);
+  static Status getStatus();
+  static DisconnectReason getDisconnectReason();
+  #if defined(ARDUINO_ARCH_ESP8266)
+  static void onEvent(System_Event_t *evt);
+  #elif defined(ARDUINO_ARCH_ESP32)
+  static void onEvent(WiFiEvent_t event, WiFiEventInfo_t info);
+  #endif
+
+protected:
+  static DisconnectReason convertDisconnectReason(uint8_t reason);
+  static bool useDhcp;
+};