* delete unecessary conditional compilation.
add comments

* Optimize the code to conform to the Google C++ style guide

* Rename some variables and methods to make them easier to understand

* refine code structure

* Modified the code style according to the Google C++ style guide, enhanced the semantics of the code, and removed unnecessary comments.

* replace maros with constexpr

* Fixed some potential memory leaks.

* Fixed a bare pointer string connection vulnerability.

* Fixed a crash that could be caused by some accidentally deleted memory spaces.

* Simplify OnGetTagItem by droping redundant criteria

* Clean pch up

* Fix possible crash related to char*

* Improve threading stability

* Replace some raw pointers with shared_ptr

* Update version string

* Update UniSequence.h

change STATUS_TEXT_NULL to empty string

* Update UniSequence.cpp

change the indicator of null status to an empty string

* Introduce vcpkg and deprecate unused definition

* Deprecate non-WebSocket functions

* Update README with vcpkg building

* Update msbuild.yml

* rewrite threading with std::jthread

* replace some std::vector with better STL type

* less intruding log with classification

* add vcpkg to msbuild

* an attempt to fix vcpkg in workflow

* change log file location (#17); change some log msg

* improve command line handling

* auto patch status on ES ground state update

* auto set ES ground state #15

* store logon code next to dll

* introduce work-around for clearance flag

* introduce version control by external py

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Co-authored-by: Ericple <dev@peercat.cn>