Feature: CMS File upload

[tonekk]

SVA-226

PR in Mainserver

Screenshots:

Normal state:

Uploading state:

Upload done with img preview and url copied to input:

TODO:

• [x] We should generate random filenames actually, because minio just overwrites files if there is a duplicate.
• [x] Put uploads into own folder in bucked, e.g. cms_uploads

[codeclimate[bot]]

Code Climate has analyzed commit 37adf3bb and detected 18 issues on this pull request.

Here's the issue category breakdown:

Category	Count
Clarity	4
Bug Risk	2
Complexity	6
Style	6

View more on Code Climate.