Add NuGet package tools

tools/nuget/docker.debian-x64.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Automatically exit on error
+set -e
+
+apt-get update
+
+apt-get install -y \
+    git \
+    libfreetype6-dev \
+    xorg-dev \
+    libxrandr-dev \
+    libudev-dev \
+    libgl1-mesa-dev \
+    libflac-dev \
+    libogg-dev \
+    libvorbis-dev \
+    libvorbisenc2 \
+    libvorbisfile3 \
+    libopenal-dev \
+    libpthread-stubs0-dev \
+    cmake \
+    g++
+
+./build.linux.sh debian-x64