FIX depreciation warning in settings.gradle
mv snakegame -> demos/snake; Package was renamed too
Import start of helloworld and pingpong demos.
Refresh tags file.
Move run.sh and run.cmd to scripts directory.
Reordered .gitignore
Setup scripts/tags.cmd and fix scripts/run.*
Rig run.cmd to use set XDG_CONFIG_HOME to .\tmp
rm -rf docs

They should be redone as an up to date manor.