Thomas

Add PlatformIO and Visual Studio Code specific files to .gitignore

2

This PR adds PlatformIO and Visual Studio Code specific files and folders to `.gitignore` so that VS Code can be used by developers alongside Arduino IDE without interference.

Increase code quality by getting rid of compiler warnings

1

The purpose of this PR is to increase the overall code quality by fixing the causes of current compiler warnings. @A-A-G I noticed you also made these changes in your...