feat(dashboard): add global Services list page

[NBaB44]

Summary

• Add a Services sidebar item right after Home (/dashboard/services)
• List all services across projects/environments with project, environment, status, and last deployment (relative time + status)
• Default sort: project → environment → name; reuses project.all + deployment.allCentralized

Test plan

• Open dashboard — Services appears after Home in the sidebar
• Page lists applications, compose, and databases (when named in project.all)
• Rows sorted by project, then environment, then name
• Last deployment shows status badge + relative time (e.g. 2 minutes ago)
• Without deployment.read, last deployment column shows —
• Search / status / type filters work; Open links to the service page