feat: llimphi standalone — framework UI soberano extraído del monorepo

Motor gráfico Llimphi como workspace independiente: bucle Elm
(input→update→view→layout→raster→present) sobre wgpu+vello+taffy+parley.
Núcleo (hal/raster/layout/text/ui/theme/surface/motion/icons) + ~40 widgets
+ módulos, sin dependencias al resto del monorepo. cargo check --workspace
pasa (64 crates). Puerta de entrada: cargo run -p llimphi-ui --example counter.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

android/vello-text-android/README.md

@@ -0,0 +1,11 @@
+# vello-text-android
+
+> Android text shaping of [llimphi](../../README.md).
+
+Draws text with `vello` + `fontdue` on Android. Third milestone: confirms [`llimphi-text`](../../llimphi-text/README.md) shapes correctly with mobile DPI.
+
+## Build
+
+```sh
+cargo apk build -p vello-text-android
+```