Add NuGet package tools

tools/nuget/docker.alpine-x64.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+# Alpine Linux doesn't come with bash by default, so we need to bootstrap everything with sh
+
+# Automatically exit on error
+set -e
+
+apk add \
+    bash \
+    git \
+    freetype-dev \
+    libx11-dev \
+    libxrandr-dev \
+    eudev-dev \
+    mesa-dev \
+    flac-dev \
+    libogg-dev \
+    libvorbis-dev \
+    openal-soft-dev \
+    libpthread-stubs \
+    cmake \
+    make \
+    g++
+
+./build.linux.sh alpine-x64