Port pika to windows platform

[AlexStocks]

As rocksdb can run on Windows platform since 2015 ( https://rocksdb.org/blog/2015/07/22/rocksdb-is-now-available-in-windows-platform.html ), we pika should also run on windows platform too.

how to build RocksDB on Windows?

https://github.com/EighteenZi/rocksdb_wiki/blob/master/Building-on-Windows.md

rocksdb windows code example

https://github.com/facebook/rocksdb/blob/main/port/win/port_win.h

https://gist.github.com/edouarda/79ef7ba0be9a45ebac4d4063ea4ab028

[4kangjc]

Assigned to me.

[AlexStocks]

        * 0506 kangjinci 同学 own ，已经初步提交一个 pr https://github.com/OpenAtomFoundation/pika/pull/1440
        * 0513 主要目标是在保证 C++17，不要把 Pika 搞的很复杂
        * 0520 对代码侵入性大，暂时不继续推进windows支持