Move everything to apps/desktop subdirectory

Some bits will need to be moved back out after the merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

apps/desktop/playwright/docker-entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -e
+
+echo "Starting Xvfb"
+Xvfb :99 -ac &
+sleep 2
+
+export DISPLAY=:99
+
+pnpm install --frozen-lockfile
+pnpm build -l --dir
+
+PLAYWRIGHT_HTML_OPEN=never ELEMENT_DESKTOP_EXECUTABLE="./dist/linux-unpacked/element-desktop" \
+  npx playwright test --update-snapshots --reporter line,html "$1"
+
+# Clean up
+rm -R core qemu_* || exit 0