* first sketch of SequdiLang lexer and parser grammars;
* sample .sqs-file with example of story description
  (indentation-sensitive like python, but that can change);
* ANTLR codegenerator and runtime libraries in project and buildpath;
* minor reformatting of README.md
* renamed module-info.java to "module-info.java-not-in-use"
* setup src, tests, , libs, docs directories;
  bin and generated-src both git-ignore'd