:sparkles: Feature(log): add log level type and export default logPat…

[upupming]

…h and logLevel

[Molunerfinn]

WIP？

[upupming]

@Molunerfinn Feel free to review or merge it. I just think I may add more commits (when developing features on vs-picgo side) to this PR so I made it a draft. I have changed it to ready for review since this commit is absolutely okay for merging.