learnDartlangClay function
function returns Map from clay folder
Implementation
Map<String, Map<String, String>> learnDartlangClay() {
Map<String, Map<String, String>> _retM = {};
LearnDartlang learnDartlang = LearnDartlang();
learnDartlang.buildMaps();
_retM.addAll(learnDartlang.dartlangClayM);
return _retM;
}