Polish: UI theme colors, onboarding dismiss, Export button in sidebar (#270)

* Light mode style fixes

* Fix dismissing onboarding for nested routes

* Refactor: move export button to  user side panel

* Refactor: add project data to modeling page loader

* Add new ProjectSidebarMenu

* Convert AppHeader to use ProjectSidebarMenu

* Move ExportButton to ProjectSidebarMenu

* Fix: hide default dir setting in Web

* Add DownloadAppBanner when in Prod

* Add unit tests to ProjectSidebarMenu

* Tiny CSS rounding tweak to sidebars

* Fix formatting in unit tests

* Update icons and logos to use full-color Kitt

* Fix: dim UI on camera drag, not click

src/Router.tsx

@@ -23,6 +23,7 @@ import {
   PROJECT_ENTRYPOINT,
 } from './lib/tauriFS'
 import { metadata, type Metadata } from 'tauri-plugin-fs-extra-api'
+import DownloadAppBanner from './components/DownloadAppBanner'
 
 const prependRoutes =
   (routesObject: Record<string, string>) => (prepend: string) => {
@@ -47,6 +48,7 @@ export const paths = {
 
 export type IndexLoaderData = {
   code: string | null
+  project?: ProjectWithEntryPointMetadata
 }
 
 export type ProjectWithEntryPointMetadata = FileEntry & {
@@ -68,9 +70,11 @@ const router = createBrowserRouter([
       <Auth>
         <Outlet />
         <App />
+        {!isTauri() && import.meta.env.PROD && <DownloadAppBanner />}
       </Auth>
     ),
     errorElement: <ErrorPage />,
+    id: paths.FILE,
     loader: async ({
       request,
       params,
@@ -98,9 +102,19 @@ const router = createBrowserRouter([
       if (params.id && params.id !== 'new') {
         // Note that PROJECT_ENTRYPOINT is hardcoded until we support multiple files
         const code = await readTextFile(params.id + '/' + PROJECT_ENTRYPOINT)
+        const entrypoint_metadata = await metadata(
+          params.id + '/' + PROJECT_ENTRYPOINT
+        )
+        const children = await readDir(params.id)
 
         return {
           code,
+          project: {
+            name: params.id.slice(params.id.lastIndexOf('/') + 1),
+            path: params.id,
+            children,
+            entrypoint_metadata,
+          },
         }
       }