add devcontainer template

Author: apple1417

{{ cookiecutter.__project_slug }}/.devcontainer/.gitignore

@@ -0,0 +1,6 @@
+# Ignore any custom folders outside of our predefined ones, to let you create your own
+# One use might be using your own container mapping the install path onto your actual game folder
+*/
+!clang-cross
+!llvm-mingw
+!mingw

{{ cookiecutter.__project_slug }}/.devcontainer/Dockerfile

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+FROM alpine:latest AS clang-cross
+CMD ["/bin/bash"]
+RUN <<EOF
+    apk add --no-cache      \
+        bash                \
+        clang               \
+        clang-extra-tools   \
+        cmake               \
+        git                 \
+        lld                 \
+        llvm                \
+        msitools            \
+        ninja               \
+        perl                \
+        python3             \
+        py3-requests
+    git clone https://github.com/mstorsjo/msvc-wine.git
+    msvc-wine/vsdownload.py \
+        --accept-license \
+        --dest /win-sdk \
+        Microsoft.VisualStudio.Workload.VCTools \
+        --arch x86 x64
+    msvc-wine/install.sh /win-sdk
+    rm -r msvc-wine
+EOF
+
+# llvm-mingw comes with pre-built ubuntu binaries, so using that
+FROM ubuntu:latest AS llvm-mingw
+CMD ["/bin/bash"]
+RUN <<EOF
+    apt-get update
+    DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC \
+        apt-get install -y      \
+            cmake               \
+            git                 \
+            msitools            \
+            ninja-build         \
+            python-is-python3   \
+            python3             \
+            python3-requests    \
+            wget                \
+            xz-utils
+    wget -nv https://github.com/mstorsjo/llvm-mingw/releases/download/20250114/llvm-mingw-20250114-msvcrt-ubuntu-20.04-x86_64.tar.xz
+    tar -xf llvm-mingw-20250114-msvcrt-ubuntu-20.04-x86_64.tar.xz
+    rm llvm-mingw-20250114-msvcrt-ubuntu-20.04-x86_64.tar.xz
+    mv llvm-mingw-20250114-msvcrt-ubuntu-20.04-x86_64 /llvm-mingw
+EOF
+ENV PATH="/llvm-mingw/bin:$PATH"
+
+FROM alpine:latest AS mingw
+CMD ["/bin/bash"]
+RUN <<EOF
+    apk add --no-cache      \
+        bash                \
+        cmake               \
+        git                 \
+        i686-mingw-w64-gcc  \
+        mingw-w64-gcc       \
+        msitools            \
+        ninja               \
+        py3-requests        \
+        python3
+EOF

{{ cookiecutter.__project_slug }}/.devcontainer/clang-cross/devcontainer.json

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+{
+	"name": "clang-cross",
+	"build": {
+		"dockerfile": "../Dockerfile",
+		"target": "clang-cross"
+	}
+}

{{ cookiecutter.__project_slug }}/.devcontainer/llvm-mingw/devcontainer.json

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+{
+	"name": "llvm-mingw",
+	"build": {
+		"dockerfile": "../Dockerfile",
+		"target": "llvm-mingw"
+	}
+}

{{ cookiecutter.__project_slug }}/.devcontainer/mingw/devcontainer.json

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+{
+	"name": "mingw",
+	"build": {
+		"dockerfile": "../Dockerfile",
+		"target": "mingw"
+	}
+}