add Kconfig

Kconfig

@@ -0,0 +1,55 @@
+menu "ESPMQTT Configurations"
+
+
+config MQTT_TRANSPORT_SSL
+    bool "Enable MQTT over SSL"
+    default y
+    help
+        Enable MQTT transport over SSL with mbedtls
+
+config MQTT_TRANSPORT_WEBSOCKET
+    bool "Enable MQTT over Websocket"
+    default y
+    help
+        Enable MQTT transport over Websocket.
+
+config MQTT_TRANSPORT_WEBSOCKET_SECURE
+    bool "Enable MQTT over Websocket Secure"
+    default y
+    depends on MQTT_TRANSPORT_WEBSOCKET
+    depends on MQTT_TRANSPORT_SSL
+    help
+        Enable MQTT transport over Websocket Secure.
+
+config MQTT_USE_CUSTOM_CONFIG
+    bool "MQTT Using custom configurations"
+    default n
+    help
+        Custom MQTT configurations.
+
+config MQTT_TCP_DEFAULT_PORT
+    int "Default MQTT over TCP port"
+    default 1883
+    depends on MQTT_USE_CUSTOM_CONFIG
+    help
+        Default MQTT over TCP port
+
+config MQTT_WS_DEFAULT_PORT
+    int "Default MQTT over Websocket port"
+    default 80
+    depends on MQTT_USE_CUSTOM_CONFIG
+    depends on MQTT_TRANSPORT_WEBSOCKET
+    help
+        Default MQTT over Websocket port
+
+config MQTT_WSS_DEFAULT_PORT
+    int "Default MQTT over Websocket Secure port"
+    default 80
+    depends on MQTT_USE_CUSTOM_CONFIG
+    depends on MQTT_TRANSPORT_WEBSOCKET
+    depends on MQTT_TRANSPORT_WEBSOCKET_SECURE
+    help
+        Default MQTT over Websocket Secure port
+
+
+endmenu