feat/ohsome api proxy

[royallsilwallz]

• Do not fetch user data on suggestions popup click in Comments Section
• Fix username fetch on every keystroke issue in commentInput component
• Style User Stats section to show Added, Modified & Deleted counts
• Add margin auto classes in scss
• Update Test Cases for the new User Stats change
• Remove Edits By Numbers section from My Contributions
• Fix duplicate classnames in scss extras
• Implement design fixes for StatsCard in Contribution section
• Add info footer for My Contributions user stats
• Refactor StatsTimestamp to use useOsmStatsMetadataQuery
• Remove static height for Stats Cards
• Fix test case failure for Stats section
• + Live monitoring with Underpass
• Add underpass-ui package
• + Live Monitoring view
• Change Underpass UI package URL
• Update underpass-ui package
• Update Underpass UI package, now published to the NPM registry
• hotfix: backend tests failing due to Nominatim server error:403
• feat: ohsome proxy api for user stats
• Integrate proxy api for ohsomeNow stats