Add 'wsjcpp prepare changelog' #82
Description
Create new file (if not exists) with template.
Add new command 'wsjcpp prepare changelog'
Like this:
# Changelog
All notable changes to {PROJECT-NAME} project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).
## [v0.2.1] - 2020-09-12 (2020 Sep 12)
### Added
- Something added here
### Changed
- Something changed here
### Deprecated
- Something deprecated here
### Removed
- something removed
### Fixed
- Some fixed
### Security
Nope
also possible be hepful command (need think):
- command
wsjcpp prepare changelog --print