brunnerh.insert-unicode Holllo.love jock.svg ritwickdey.LiveServer rust-lang.rust-analyzer samverschueren.linter-xo serayuzgur.crates shd101wyy.markdown-preview-enhanced stylelint.vscode-stylelint tamasfe.even-better-toml usernamehw.errorlens vscode-icons-team.vscode-icons