[ADVICE] Support log export

[Puiching-Memory]

🤪 Features description [Please make everyone to understand it]

The plan will support exports in the following formats:

• csv
• txt
• json
• db(sqlite3)
• html (single)
• pdf

After exporting, we can provide compression in the following formats:

• zip
• rar
• 7zip
• tar
• gzip

Of course, we also need the ability to load the exported logs back:

• decode
• unzip

👍 What problem does this feature solve

#360
#166

👾 What does the proposed API look like

swanlab.export(log_path,format,using_zip)
swanlab.import(log_file,save_path)

cil

swanlab export --log_path {} --format {} --using_zip {}
swanlab import --log_file {} --save_path {}

[SAKURA-CAT]

我比较好奇，这个功能的主要用途在于什么地方呢？我没有太理解