Update feature demo examples (#30)

* Update feature demo examples.
* Add defaulting for `ignoreK8sSuggestedNodes`.
* Fix sort in `getUsablePhysicalCells`.

Update deploy.yaml (#22)

refine chain search (#13)

* fix bug in early stop chain

* keep searching the chains until placement within suggested nodes

* refine logging

* refactor h.Schedule() which was too long

* fix virtual cell's healthiness

* refine suggested nodes related logic

* resolve comments

* readme

Stateful Preemption (#8)

* refactor package algorithm

* stateful preemption

* add unit tests

* fix bad cell tracking & cell state tracking

* deleteUnallocatedPod

* move cancellation of ongoing preemption out of mapVirtualPlacementToPhysical (should be clearer)

* early exit a chain when a VC does not have it

* refine comments

* resolve comments

* refine comment

* expose AG status & fix bad cell tracking when virtual cell is partially bound

* resolve comments

* two-phase scheduling

* resolve comments

* disable preemption in filtering phase & random in getFewestOpproCell

* fix UT

* refine log

Refine Doc (#9)

[Hived]: Add overview doc (#4171)

[HiveD] downgrade pod when PreassignedCellTypes is empty (#3983)

[HiveD] support partial release of affinity group (#3978)

[Hived]: Fix user specified priority may conflict with internal reser…

…ved priority (#3893)

HiveD intra-vc preemption for restart (#3861)

* intra-vc preemption when adding allocated pods (restart)
* fix overwriting pod numbers for group members with same gpu number