Add command palette (#46)

This PR finished the initial PoC command palette. It currently only
supports switching between requests and workspaces, but can easily be
extended for more.

src-web/hooks/useCommandPalette.tsx

@@ -1,21 +1,15 @@
 import { CommandPalette } from '../components/CommandPalette';
 import { useDialog } from '../components/DialogContext';
-import { useAppInfo } from './useAppInfo';
 import { useHotKey } from './useHotKey';
 
 export function useCommandPalette() {
   const dialog = useDialog();
-  const appInfo = useAppInfo();
   useHotKey('command_palette.toggle', () => {
-    // Disabled in production for now
-    if (!appInfo?.isDev) {
-      return;
-    }
-
     dialog.toggle({
       id: 'command_palette',
-      size: 'md',
+      size: 'dynamic',
       hideX: true,
+      vAlign: 'top',
       noPadding: true,
       noScroll: true,
       render: ({ hide }) => <CommandPalette onClose={hide} />,