added trivial JSON datatypes and respective toString() methods

ChatGPTParsing/.classpath

ChatGPTParsing/src/json/GrammarToJSON.java

ChatGPTParsing/src/json/JSONArray.java

ChatGPTParsing/src/json/JSONBoolean.java

ChatGPTParsing/src/json/JSONDatatype.java

ChatGPTParsing/src/json/JSONNumber.java

ChatGPTParsing/src/json/JSONObject.java

ChatGPTParsing/src/json/JSONString.java

ChatGPTParsing/src/module-info.java

ChatGPTParsing/src/type2/Type2GrammarGenerator.java

ChatGPTParsing/src/type2/Type2Parser.java

ChatGPTParsing/src/type3/Type3GrammarGenerator.java