README.MD type fix
README.MD type fix

splitStringsChunkLength must be a number
sanex3339/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator,sanex3339/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator,sanex3339/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator