uploaded plugins gone if docker container recreated

[theggs]

LRR Version and OS Docker LANraragi v0.9.0

Bug Details Uploaded plugins are store in home/koyomi/lanraragi/lib/LANraragi/Plugin along with the default plugins. This directory is come from the image. As a result, when docker container recreate(e.g. for version upgrading, env vars updating), the directory will be restored, the uploaded plugins would gone. I have to upload the plugins, and configurate them again.

Expected: user uploaded plugins are put in an independent directory, so we can mount a local path to it.

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