implement game configuration file

this integrates https://github.com/cktan/tomlc99 into the repo as a dependency

third-party/tomlc99/test1/build.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+export GOBIN=$DIR
+go install github.com/toml-lang/toml-test/cmd/toml-test@latest # install test suite