v1.0.0 to support AVR ATtiny-based boards

### Initial Release v1.0.0

1. Intial release to support Arduino **AVR ATtiny-based boards (ATtiny3217, etc.) using megaTinyCore**

Author: khoih-prog

library.json

@@ -1,6 +1,6 @@
 {
   "name": "ATtiny_Slow_PWM",
-  "version": "1.0.2",
+  "version": "1.0.0",
   "keywords": "timer, interrupt, hardware, isr, isr-based, pwm, isr-based-pwm, timing, control, device, hardware-timer, mission-critical, accuracy, megaavr, avr-attiny, attiny, megatinycore, megatiny-core, attiny-timerinterrupt, tcb-timers",
   "description": "This library enables you to use ISR-based PWM channels on Arduino AVR ATtiny-based boards (ATtiny3217, etc.), using megaTinyCore, to create and output PWM any GPIO pin. It now supports 64 ISR-based PWM channels, while consuming only 1 Hardware Timer. PWM channel interval can be very long (ulong microsecs / millisecs). The most important feature is they're ISR-based PWM channels, supporting lower PWM frequencies with suitable accuracy. Their executions are not blocked by bad-behaving functions or tasks. This important feature is absolutely necessary for mission-critical tasks. These ISR-based PWMs, still work even if other software functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software-based PWM using millis() or micros(). That's necessary if you need to control devices requiring high precision. Now you can change the PWM settings on-the-fly.",
   "authors":