Milestones for the first release

[x] Support for multiple users https://github.com/openshift-pipelines/manual-approval-gate/pull/125
- [x] Handle when approvalRequired is not given
- [x] Handle deletion of approvaltasks when customrun is deleted
- [x] Add labels/annoations (pipelinerunName, customrun name, etc)
[x] Adds auth by configuring webhook controller https://github.com/openshift-pipelines/manual-approval-gate/pull/127
[x] Timeout for approvaltask https://github.com/openshift-pipelines/manual-approval-gate/pull/132
[x] Add support for description https://github.com/openshift-pipelines/manual-approval-gate/pull/143
[x] Support for message while approving the approvaltask https://github.com/openshift-pipelines/manual-approval-gate/pull/128
[ ] Handle the scenario when approvals list is not given but approvalsRequired is given (as of today oc edit works for this, oc patch won't work) (future tkn should add this)
[x] Add CLI to approve the approval task
[x] Improve logs
- [x] compute the hash of Approvaltask spec and store as an annotation, in further reconciliation we compute hash of ApprovalTask spec and check with annotation, if they are same then we skip updating the object otherwise we update approvaltask state based on the input

openshift-pipelines / manual-approval-gate