message: Move submodule update step to jobs section
diff: @@ -3,7 +3,6 @@ version: 2.1
  commands:
  build:
  steps:
  - - run: git submodule update --init nas2d-core/
  - run: make --keep-going --jobs 16 CXXFLAGS_EXTRA="-Werror" nas2d
  - run: make --keep-going --jobs 16 CXXFLAGS_EXTRA="-Werror"
  - run: make package
  @@ -34,6 +33,7 @@ jobs:
  - WARN_EXTRA: "-Wno-double-promotion"
  steps:
  - checkout
  + - run: git submodule update --init nas2d-core/
  - brew-install:
  packages: physfs sdl2 sdl2_image sdl2_mixer sdl2_ttf libpng libjpeg libtiff webp libmodplug libvorbis libogg freetype glew googletest
  - build
  @@ -42,6 +42,7 @@ jobs:
  - image: outpostuniverse/nas2d:1.4
  steps:
  - checkout
  + - run: git submodule update --init nas2d-core/
  - build
  build-linux-gcc:
  docker:
  @@ -50,6 +51,7 @@ jobs:
  WARN_EXTRA: -Wsuggest-override
  steps:
  - checkout
  + - run: git submodule update --init nas2d-core/
  - build
  build-linux-clang:
  docker:
  @@ -58,6 +60,7 @@ jobs:
  WARN_EXTRA: -Wimplicit-int-conversion -Wunreachable-code -Wunreachable-code-return -Wunreachable-code-break -Wextra-semi-stmt -Wnewline-eof -Wdocumentation -Wheader-hygiene -Winconsistent-missing-destructor-override -Wdeprecated-copy-dtor -Wformat-nonliteral
  steps:
  - checkout
  + - run: git submodule update --init nas2d-core/
  - build
  build-linux-mingw:
  docker:
  