Fix stacking query parameter

Multiple clicks on the login button added the next query parameter again.

Added logic to add the query parameter only once.

Closes #24 (closed)

requested review from @moser

added 1 commit

• 3b9c9aad - Reformat fiel with prettier

Compare with previous version

Thanks, I reformatted the file, apart from that, it looks very good!

approved this merge request

merged

mentioned in commit 67dd077e