v1.2.0 for new ESP32 core

### Releases v1.2.0

1. Update to use with ESP32 core v2.0.5+. 
2. Convert to `h-only` style
3. Use `allman astyle` and add `utils`

Author: khoih-prog

README.md

@@ -385,112 +385,7 @@ void loop()
 
 #### 1. File [ESP32_C3_ISR_MultiServos.ino](examples/ESP32_C3_ISR_MultiServos/ESP32_C3_ISR_MultiServos.ino)
 
-```cpp
-#if !defined( ARDUINO_ESP32C3_DEV )
-  #error This code is intended to run on the ESP32_C3 platform! Please check your Tools->Board setting.
-#endif
-
-#define TIMER_INTERRUPT_DEBUG       0
-#define ISR_SERVO_DEBUG             1
-
-// Select different ESP32 timer number (0-1) to avoid conflict
-#define USE_ESP32_TIMER_NO          1
-
-#include "ESP32_C3_ISR_Servo.h"
-
-//See file .../hardware/espressif/esp32/variants/(esp32|doitESP32devkitV1)/pins_arduino.h
-#define LED_BUILTIN       2         // Pin D2 mapped to pin GPIO2/ADC12 of ESP32, control on-board LED
-#define PIN_LED           2         // Pin D2 mapped to pin GPIO2/ADC12 of ESP32, control on-board LED
-
-#define PIN_D0            0         // Pin D0 mapped to pin GPIO0/BOOT/ADC11/TOUCH1 of ESP32
-#define PIN_D1            1         // Pin D1 mapped to pin GPIO1/TX0 of ESP32
-#define PIN_D2            2         // Pin D2 mapped to pin GPIO2/ADC12/TOUCH2 of ESP32
-#define PIN_D3            3         // Pin D3 mapped to pin GPIO3/RX0 of ESP32
-#define PIN_D4            4         // Pin D4 mapped to pin GPIO4/ADC10/TOUCH0 of ESP32
-#define PIN_D5            5         // Pin D5 mapped to pin GPIO5/SPISS/VSPI_SS of ESP32
-#define PIN_D6            6         // Pin D6 mapped to pin GPIO6/FLASH_SCK of ESP32
-#define PIN_D7            7         // Pin D7 mapped to pin GPIO7/FLASH_D0 of ESP32
-#define PIN_D8            8         // Pin D8 mapped to pin GPIO8/FLASH_D1 of ESP32
-#define PIN_D9            9         // Pin D9 mapped to pin GPIO9/FLASH_D2 of ESP32
-
-// Published values for SG90 servos; adjust if needed
-#define MIN_MICROS      800  //544
-#define MAX_MICROS      2450
-
-int servoIndex1  = -1;
-int servoIndex2  = -1;
-
-void setup()
-{
-  Serial.begin(115200);
-  while (!Serial);
-
-  delay(500);
-
-  Serial.print(F("\nStarting ESP32_C3_ISR_MultiServos on ")); Serial.println(ARDUINO_BOARD);
-  Serial.println(ESP32_C3_ISR_SERVO_VERSION);
-
-  //Select ESP32 timer USE_ESP32_TIMER_NO
-  ESP32_ISR_Servos.useTimer(USE_ESP32_TIMER_NO);
-
-  servoIndex1 = ESP32_ISR_Servos.setupServo(PIN_D3, MIN_MICROS, MAX_MICROS);
-  servoIndex2 = ESP32_ISR_Servos.setupServo(PIN_D4, MIN_MICROS, MAX_MICROS);
-
-  if (servoIndex1 != -1)
-    Serial.println(F("Setup Servo1 OK"));
-  else
-    Serial.println(F("Setup Servo1 failed"));
-
-  if (servoIndex2 != -1)
-    Serial.println(F("Setup Servo2 OK"));
-  else
-    Serial.println(F("Setup Servo2 failed"));
-}
-
-void loop()
-{
-  int position;
-
-  if ( ( servoIndex1 != -1) && ( servoIndex2 != -1) )
-  {
-    for (position = 0; position <= 180; position++)
-    {
-      // goes from 0 degrees to 180 degrees
-      // in steps of 1 degree
-
-      if (position % 30 == 0)
-      {
-        Serial.print(F("Servo1 pos = ")); Serial.print(position);
-        Serial.print(F(", Servo2 pos = ")); Serial.println(180 - position);
-      }
-
-      ESP32_ISR_Servos.setPosition(servoIndex1, position);
-      ESP32_ISR_Servos.setPosition(servoIndex2, 180 - position);
-      // waits 30ms for the servo to reach the position
-      delay(30);
-    }
-
-    delay(5000);
-
-    for (position = 180; position >= 0; position--)
-    {
-      // goes from 180 degrees to 0 degrees
-      if (position % 30 == 0)
-      {
-        Serial.print(F("Servo1 pos = ")); Serial.print(position);
-        Serial.print(F(", Servo2 pos = ")); Serial.println(180 - position);
-      }
-
-      ESP32_ISR_Servos.setPosition(servoIndex1, position);
-      ESP32_ISR_Servos.setPosition(servoIndex2, 180 - position);
-      // waits 30ms for the servo to reach the position
-      delay(30);
-    }
-
-    delay(5000);
-  }
-}
-```
+https://github.com/khoih-prog/ESP32_C3_ISR_Servo/blob/f6a14a464742a98edda265ce332289a3a9b363eb/examples/ESP32_C3_ISR_MultiServos/ESP32_C3_ISR_MultiServos.ino#L72-L184
 
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