Franknoirot/cmd bar (#328)

* Add XState and naive ActionBar

* Add basic dialog and combobox

* Selectable commands in command bar

* Add a few (broken) file actions

* Home commands

* Add subcommand descriptions, cleanup on navigate

* Refactor: move command creation and types to lib

* Refactor to allow any machine to add commands

* Add auth to command bar, add ability to hide cmds

* Refactor: consolidate theme utilities

* Add settings as machine and command set

* Fix: type tweaks

* Fix: only allow auth to navigate from signin

* Remove zustand-powered settings

* Fix: remove zustand settings from App

* Fix: browser infinite redirect

* Feature: allow commands to be hidden per-platform

* Fix: tsc errors

* Fix: hide default project directory from cmd bar

* Polish: transitions, css tweaks

* Feature: label current value in options settings

* Fix broken debug panel UI

* Refactor: move settings toasts to actions

* Tweak: css rounding

* Fix: set default directory recursion and reload 🐞

* Refactor: move machines to their own directory

* Fix formatting

* @Irev-Dev clean-up catches, import cleanup

src/lib/theme.ts

@@ -0,0 +1,22 @@
+export enum Themes {
+  Light = 'light',
+  Dark = 'dark',
+  System = 'system',
+}
+
+export function getSystemTheme(): Exclude<Themes, 'system'> {
+  return typeof window !== 'undefined' &&
+    'matchMedia' in window &&
+    window.matchMedia('(prefers-color-scheme: dark)').matches
+    ? Themes.Dark
+    : Themes.Light
+}
+
+export function setThemeClass(theme: Themes) {
+  const systemTheme = theme === Themes.System && getSystemTheme()
+  if (theme === Themes.Dark || systemTheme === Themes.Dark) {
+    document.body.classList.add('dark')
+  } else {
+    document.body.classList.remove('dark')
+  }
+}