Set up CI builds for Nintendo Switch port

Including artifacts for any one that wants to test nightly

.circleci/config.yml

@@ -58,6 +58,20 @@ jobs:
       - run: cd build && cmake -DNIGHTLY_BUILD=ON -DCMAKE_TOOLCHAIN_FILE=../CMake/mingwcc.cmake ..
       - run: cd build && cmake --build . -j $(nproc)
       - store_artifacts: {path: ./build/devilutionx.exe, destination: devilutionx_x86.exe}
+  switch:
+    docker:
+      - image: devkitpro/devkita64:latest
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - run: echo deb http://deb.debian.org/debian stretch-backports main > /etc/apt/sources.list.d/debian-backports.list
+      - run: apt-get update && apt-get install -y -t stretch-backports cmake
+      - run: dkp-pacman -Syu --noconfirm
+      # Install cmake files (https://github.com/devkitPro/docker/issues/3)
+      - run: dkp-pacman -S --needed --noconfirm --quiet devkitpro-pkgbuild-helpers
+      - run: cd build && cmake .. -DBINARY_RELEASE=ON -DNONET=ON -DPREFILL_PLAYER_NAME=ON -DCMAKE_TOOLCHAIN_FILE=../CMake/switch/devkita64-libnx.cmake
+      - run: cd build && cmake --build . -j $(nproc)
+      - store_artifacts: {path: ./build/devilutionx.nro, destination: devilutionx.nro}
 
 workflows:
   version: 2
@@ -67,3 +81,4 @@ workflows:
       - linux_x86
       - windows_x86
       - linux_x86_64_sdl1
+      - switch