Franknoirot/add walkthrough (#189)

* Barebones onboarding triggering and resetting

* Make onboarding route-based

* Add Camera step, highlighting camera feed

* Implement redirect behavior

* Unify navigation hooks

* Formatting

* add useResizeObserver, convert to custom hook

src/App.tsx

@@ -12,7 +12,6 @@ import {
   addLineHighlight,
 } from './editor/highlightextension'
 import { Selections, useStore } from './useStore'
-import { Toolbar } from './Toolbar'
 import { Logs } from './components/Logs'
 import { PanelHeader } from './components/PanelHeader'
 import { MemoryPanel } from './components/MemoryPanel'
@@ -262,7 +261,6 @@ export function App() {
       <AppHeader />
       <ModalContainer />
       <Allotment snap={true}>
-
         <Allotment vertical defaultSizes={[5, 400, 1, 1]} minSize={20}>
           <SetToken />
           <div className="h-full flex flex-col items-start">