Add NuGet package tools

tools/nuget/pushnuget.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Automatically exit on error
+set -e
+
+if [ -z "$1" ]; then
+    echo "Specify the NuGet API Key as a parameter to this script"
+    exit 1
+fi
+
+dotnet build -c Release
+
+# Find every file that matches the glob ./*/bin/Release/*.nupkg
+# and push it to nuget.org using the key specified as a parameter
+# to this script
+
+find \
+    -type f \
+    -regex "\./\w+/bin/Release/[^/]+\.nupkg" \
+    -exec dotnet nuget push -k "$1" -s "https://api.nuget.org/v3/index.json" "{}" ";"
+