web: split app css by feature

web/workspace/src/routes/w/[workspaceId]/+layout.svelte

@@ -2,6 +2,8 @@
   import { page } from '$app/state';
   import SidebarOverride from '$lib/workspace/sidebar/SidebarOverride.svelte';
   import WorkspaceSidebar from '$lib/workspace/sidebar/WorkspaceSidebar.svelte';
+  import '$lib/workspace/styles/workspace-pages.css';
+  import '$lib/workspace/styles/workers.css';
   import type { LayoutProps } from './$types';
 
   let { data, children }: LayoutProps = $props();

web/workspace/src/routes/w/[workspaceId]/settings/+layout.svelte

@@ -2,6 +2,7 @@
   import { page } from '$app/state';
   import { workspaceRoute } from '$lib/workspace/api/http';
   import { SETTINGS_SECTIONS, settingsSectionHref } from '$lib/workspace/settings/model';
+  import '$lib/workspace/styles/settings.css';
   import type { LayoutProps } from './$types';
 
   let { data, children }: LayoutProps = $props();