feat(clockify): add Clockify time tracking integration

[5LABS]

Summary

• Adds full Clockify integration with 11 tools (workspaces, projects, users, time entries, reports, holidays, time-off, attendance)
• Registers the Clockify block in the block registry with all supported operations
• Adds overtime/Überstunden support with extended user and time entry fields

Tools added

• get_workspaces, get_projects, get_users, get_current_user, get_member_profile
• get_time_entries, get_time_entry, get_in_progress
• get_holidays, get_time_off
• report_summary, report_detailed, report_weekly, report_attendance

Test plan

• Configure Clockify API key in block credentials
• Test workspace and project listing
• Test time entry queries with date range filters
• Test overtime/summary report generation

[5LABS]

clockify-flow.json

[5LABS]