feat: new service_account page with crud and listing

[SagarRajput-7]

Pull Request

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📄 Summary

Why does this change exist?
What problem does it solve, and why is this the right approach?

Screenshots / Screen Recordings (if applicable)

Include screenshots or screen recordings that clearly show the behavior before the change and the result after the change. This helps reviewers quickly understand the impact and verify the update.

Issues closed by this PR

Reference issues using Closes #issue-number to enable automatic closure on merge.

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✅ Change Type

Select all that apply

• ✨ Feature
• 🐛 Bug fix
• ♻️ Refactor
• 🛠️ Infra / Tooling
• 🧪 Test-only

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🐛 Bug Context

Required if this PR fixes a bug

Root Cause

What caused the issue?
Regression, faulty assumption, edge case, refactor, etc.

Fix Strategy

How does this PR address the root cause?

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🧪 Testing Strategy

How was this change validated?

• Tests added/updated:
• Manual verification:
• Edge cases covered:

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⚠️ Risk & Impact Assessment

What could break? How do we recover?

• Blast radius:
• Potential regressions:
• Rollback plan:

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📝 Changelog

Fill only if this affects users, APIs, UI, or documented behavior
Use N/A for internal or non-user-facing changes

Field	Value
Deployment Type	Cloud / OSS / Enterprise
Change Type	Feature / Bug Fix / Maintenance
Description	User-facing summary

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📋 Checklist

• Tests added or explicitly not required
• Manually tested
• Breaking changes documented
• Backward compatibility considered

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👀 Notes for Reviewers

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