Update IRRemote ESP8266 to 2.6.2 and add ESP32 support

lib/IRremoteESP8266/.github/issue_template.md

@@ -1,6 +1,6 @@
 _(Please use this template for reporting issues. You can delete what ever is not relevant. Giving us this information will help us help you faster. Please also read the [FAQ](https://github.com/markszabo/IRremoteESP8266/wiki/Frequently-Asked-Questions) & [Troubleshooting Guide](https://github.com/markszabo/IRremoteESP8266/wiki/Troubleshooting-Guide). Your problem may already have an answer there.)_
 
-### Version/revison of the library used
+### Version/revision of the library used
 _Typically located in the `library.json` & `src/IRremoteESP8266.h` files in the root directory of the library.
 e.g. v2.0.0, or 'master' as at 1st of June, 2017. etc._
 
@@ -30,7 +30,7 @@ _What can we do to (pref. reliably) repeat what is happening?_
 _Include all relevant code snippets or links to the actual code files. Tip: [How to quote your code so it is still readable](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet#code)._
 
 #### Circuit diagram and hardware used (if applicable)
-_Link to an image of the circuit diagram used. Part number of the IR receiver module etc._
+_Link to an image of the circuit diagram used. Part number of the IR receiver module etc. ESP8266 or ESP32 board type._
 
 ### I have followed the steps in the [Troubleshooting Guide](https://github.com/markszabo/IRremoteESP8266/wiki/Troubleshooting-Guide) & read the [FAQ](https://github.com/markszabo/IRremoteESP8266/wiki/Frequently-Asked-Questions)
 _Yes/No._