* removed gitlens
* adjusted various settings
* added foam onboarding to template
* removed prettier extension
* added setting to match OS color scheme
* a couple of minor changes re todos and readme
* added spellright to list of recommended extensions, and added to getting started guide
* added reference to LTeX in spell checking doc
* Added logo to readme
* fixed link to LTeX extension
* styling logo in readme
* more style experiments
