Add Borealis GUI for patch extraction on Switch.

Replace the console UI with a Borealis-based flow, bundle ROMFS assets and
borealis as a submodule, and apply small upstream patches at build time.
Self-delete runs after romfsExit on quit so the NRO can be removed like the
old console build.

.github/workflows/build.yml

@@ -18,9 +18,14 @@ jobs:
 
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       - name: Build
-        run: make
+        run: |
+          patch -d library/borealis -p1 -N < patches/borealis-swkbd-libnx.patch || true
+          patch -d library/borealis -p1 -N < patches/borealis-applet-frame-hints.patch || true
+          make
 
       - name: Upload NRO
         uses: actions/upload-artifact@v3