refactor: add applicaiton board routes

[guanbinrui]

Description

Closes # (NO_ISSUE)

Type of change

• [ ] Documentation
• [x] Code refactoring (Restructuring existing code w/o changing its observable behavior)
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (a fix or feature that would make something no longer possible to do/require old user must upgrade their Mask Network to this new version)

[github-actions[bot]]

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[stale[bot]]

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