Add mods.toml file which describes the plugin.

As described here https://gist.github.com/williewillus/353c872bcf1a6ace9921189f6100d09a :
mcmod.info moved to mods.toml, see MDK examplemod src/main/resources/META-INF/mods.toml

https://github.com/Cadiboo/Example-Mod/blob/1.14.3/src/main/resources/META-INF/mods.toml

Closed by commit b754d31.