3.2.0

Compatibility: requires minimum Kimai 2.21.0

• Rename to "Customer portal"
• Allow to switch month and year via dropdowns (#5)
• Simplify URLs by using 20-char share-key only (old URLS still working)
• Toggle financial- and time budget statistics for shared URLs (#6)
• Allow to share an entire customer (#7)
• Add details button and stats in project listing on shared customer page (#8)
• Use translations from core, use latest repository features
• Use password field for login
• Fixes missing timesheet if user and start time is the same (#1)