blademainer

fixes: https://github.com/hackmdio/codimd/issues/1761

When s3's api is not provided by AWS(say, [googlecloud](https://cloud.google.com/storage/docs/migrating), azure), an error would happen. because the endpoint-url is overwrited by the `region` conditional judgment: https://github.com/hackmdio/codimd/blob/a41c4db0c207caf62e9216b32db194aa1cbefea4/lib/imageRouter/s3.js#L51-L57 my suggest code to fix...

No rendered plantuml when export as pdf file

2

source is : \```plantuml node alice node bob alice -> bob: hello \``` expect:  actual: 

cobar现在不维护了吗？

1

一年都没更新了？