implement game configuration file

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

third-party/tomlc99/stdex/keys01.toml.res

@@ -0,0 +1,7 @@
+{
+  127.0.0.1 = "value",
+  character encoding = "value",
+  ʎǝʞ = "value",
+  key2 = "value",
+  quoted "value" = "value",
+}