doc: added links for frameworks

README.md

@@ -2,8 +2,8 @@
 
 ## Tested on
 
-1. ESP8266 RTOS_SDK v3.4
+1. [ESP8266 RTOS_SDK v3.4](https://docs.espressif.com/projects/esp8266-rtos-sdk/en/latest/index.html#)
-2. ESP32 ESP-IDF v5.4
+2. [ESP32 ESP-IDF v5.4](https://docs.espressif.com/projects/esp-idf/en/release-v5.4/esp32/index.html)
 
 ## Features
 
@@ -38,7 +38,7 @@ char example[10] = {0};
 
 void app_main(void)
 {
-    esp_log_level_set("zh_vector", ESP_LOG_NONE);
+    esp_log_level_set("zh_vector", ESP_LOG_NONE); // For ESP8266 first enable "Component config -> Log output -> Enable log set level" via menuconfig.
     zh_vector_init(&vector, sizeof(example));
     printf("Initial vector size is: %d\n", zh_vector_get_size(&vector));
     strcpy(example, "Item 1");