Release 11

refactor/iterative retry and abstract poll (#1)

* follow Google C++ Style Guide

* abstract Poll()

* change recursion -> iteration

* Update README.md

- change exe name
- use SRO insteado f dot operator

* update HandleHttpResponse fn name

* add better err msgs

* init Light member variables with default values

* add Light::ConvertBrightness

* update docs

* rm unnecessary empty checks

* restructure FetchSingleLightDetails error handling

Release 6

add instr for running the release

I also added some other notes in other sections

Release 5

release-5

change softprops v2 -> v1

Release 4

release-4

fix binary upload in the release

Release 3

release-3

fix release upload

Release 2

release-2

fix "no files were found"