Add collection status reference

Author: Ndpnt

content/collections/reference/status.md

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+---
+title: Status
+weight: 5
+---
+
+# Collection Status
+
+This reference documentation outlines the different status levels that a collection can have within the system. Understanding these statuses is crucial for users to assess a collection's reliability, maintenance level, and current operational state.
+
+## Status types
+
+Each status represents a distinct state of collection health and maintenance, ranging from fully operational to terminated.
+
+### `Active`
+The optimal operational state for a collection.
+
+##### ✅ Operational characteristics
+- Regular record saving
+- Terms declarations actively maintained and updated
+- Consistent growth or stability in tracked terms
+- High and stable tracking quality
+
+##### ✅ Technical maintenance
+- Regular dependency updates
+- Access to latest engine features
+- Benefits from infrastructure updates
+
+##### ✅ Team status
+- All roles are filled and active
+
+---
+
+### `Maintenance requested`
+
+Indicates a collection that needs attention but remains functional.
+
+##### ⚠️ Operational characteristics
+
+- Regular record saving
+- Limited or no updates to terms declarations
+- Declining number of tracked terms
+- Decreasing tracking quality
+
+##### ✅ Technical maintenance
+
+- Critical dependency updates maintained
+- Access to latest engine features
+- Benefits from infrastructure updates
+
+##### ⚠️ Team status
+
+- Host and administrator remain active
+- Curators and maintainers are inactive
+
+---
+
+### `Abandoned`
+
+Collection is functional but showing signs of neglect.
+
+##### ❌ Operational characteristics
+
+- Unknown record saving status
+- No updates to terms declarations
+- Declining number of tracked terms
+- Decreasing tracking quality
+
+##### ❌ Technical maintenance
+
+- No dependency updates
+- Missing latest engine features
+- Missing infrastructure updates
+
+##### ❌ Team status
+
+- All roles are inactive
+
+---
+
+### `Terminated`
+
+Collection has ceased operations, it cannot be used for new records but may still be accessible for historical reference. Tracking quality reflects the collection's maintenance level during its active period.