Update .github

Author: khoih-prog

.github/ISSUE_TEMPLATE/bug_report.md

@@ -48,14 +48,13 @@ Please ensure to specify the following:
 
 ```
 Arduino IDE version: 1.8.19
-MBED RP2040 core v3.3.0
+MBED RP2040 core v3.4.1
 RASPBERRY_PI_PICO Module
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.15.0-48-generic #54~20.04.1-Ubuntu SMP Thu Sep 1 16:17:26 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.15.0-52-generic #58~20.04.1-Ubuntu SMP Thu Oct 13 13:09:46 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
-I encountered a crash while trying to use this library
-
+I encountered a crash while using this library
 Steps to reproduce:
 1. ...
 2. ...
@@ -66,3 +65,34 @@ Steps to reproduce:
 ### Additional context
 
 Add any other context about the problem here.
+
+---
+
+### Sending Feature Requests
+
+Feel free to post feature requests. It's helpful if you can explain exactly why the feature would be useful.
+
+There are usually some outstanding feature requests in the [existing issues list](https://github.com/khoih-prog/TimerInterrupt_Generic/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement), feel free to add comments to them.
+
+---
+
+### Sending Pull Requests
+
+Pull Requests with changes and fixes are also welcome!
+
+Please use the `astyle` to reformat the updated library code as follows (demo for Ubuntu Linux)
+
+1. Change directory to the library GitHub
+
+```
+xy@xy-Inspiron-3593:~$ cd Arduino/xy/TimerInterrupt_Generic_GitHub/
+xy@xy-Inspiron-3593:~/Arduino/xy/TimerInterrupt_Generic_GitHub$
+```
+
+2. Issue astyle command
+
+```
+xy@xy-Inspiron-3593:~/Arduino/xy/TimerInterrupt_Generic_GitHub$ bash utils/restyle.sh
+```
+
+