Resolve "Download button for structure"

Closes #139 (closed)

assigned to @rplanel

added 2 commits

• 44074741 - select a pdb
• f6daf775 - display strucutre in dialog + download btn + select

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added 3 commits

• 282dd2f0 - card not rounded
• 8734a438 - Fix api change in datatable item slot
• 32b3efa1 - card title instead of toolbar

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marked this merge request as ready

merged

mentioned in commit cd0d853c