Flutter Coding Style :
- classes, enums, typedefs and type paramters should be capitalize the first letter of each word (including the first word) and use no separators.
- Do name libraries, packages, directories and source files using lowercase with _underscores.
- Use lowerCamelClass for constant variables, including enum value. Ex. defalutTimeout
- Do capitalize acronyms and abbreviations longer than two letters like words. HTTPS, Id
