Major Releases v1.4.0

### Major Releases v1.4.0

1. Fix staticIP not saved in examples. See [ESP32 static IP not saved after restarting the device](#19)
2. Add structures and functions to handle AP and STA IPs.
3. Add complex examples 
  * [Async_ConfigOnDRD_FS_MQTT_Ptr_Complex](examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Complex) to demo usage of std::map
  * [Async_ConfigOnDRD_FS_MQTT_Ptr_Medium](examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Medium).
4. Add simple minimal examples 
  * [Async_ConfigOnDRD_ESP32_minimal](examples/Async_ConfigOnDRD_ESP32_minimal)
  * [Async_ConfigOnDRD_ESP8266_minimal](examples/Async_ConfigOnDRD_ESP8266_minimal)
  * [Async_AutoConnect_ESP32_minimal](examples/Async_AutoConnect_ESP32_minimal)
  * [Async_AutoConnect_ESP8266_minimal](examples/Async_AutoConnect_ESP8266_minimal)
5. Modify Version String
6. Add Table of Contents

Author: khoih-prog

README.md

@@ -3081,7 +3081,7 @@ void loop()
 
 ##### 1.1 No Config Data => Config Portal
 
-This is terminal debug output when running [Async_ConfigOnDRD_FS_MQTT_Ptr](examples/Async_ConfigOnDRD_FS_MQTT_Ptr) on  **ESP32 ESP32_DEV.**. Config Portal was requested by DRD to input and save MQTT Credentials. The boards then connected to Adafruit MQTT Server successfully.
+This is terminal debug output when running [Async_ConfigOnDRD_FS_MQTT_Ptr_Medium](examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Medium) on  **ESP32 ESP32_DEV.**. Config Portal was requested by DRD to input and save MQTT Credentials. The boards then connected to Adafruit MQTT Server successfully.
 
 ```
 Starting Async_ConfigOnDRD_FS_MQTT_Ptr_Medium using LittleFS on ESP32_DEV
@@ -3186,7 +3186,7 @@ TWWWW
 
 #### 2. [Async_ConfigOnDRD_FS_MQTT_Ptr_Complex](examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Complex) on ESP8266_NODEMCU
 
-This is terminal debug output when running [Async_ConfigOnDRD_FS_MQTT_Ptr](examples/Async_ConfigOnDRD_FS_MQTT_Ptr) on  **ESP8266_NODEMCU 1.0.**. Config Portal was requested to input and save MQTT Credentials. The boards then connected to Adafruit MQTT Server successfully.
+This is terminal debug output when running [Async_ConfigOnDRD_FS_MQTT_Ptr_Complex](examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Complex) on  **ESP8266_NODEMCU 1.0.**. Config Portal was requested to input and save MQTT Credentials. The boards then connected to Adafruit MQTT Server successfully.
 
 ##### 2.1 With Config Data => Run normally