show in all project commands help that a push is not required

[girishramnani]

What type of PR is this?

/kind feature

What does does this PR do / why we need it:
see $SUBJECT

Which issue(s) this PR fixes:

Fixes #4442

PR acceptance criteria:

• Unit test

• Integration test

• Documentation

• I have read the test guidelines

How to test changes / Special notes to the reviewer:

odo project create -h
Create a new project. This command directly performs actions on the cluster and doesn't require a push.

[dharmit]

/approve
/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dharmit, girishramnani

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [dharmit,girishramnani]

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[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-ci]

@girishramnani: The following tests failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/psi-kubernetes-integration-e2e	49697c0	link	/test psi-kubernetes-integration-e2e
ci/prow/psi-openshift-integration-e2e	49697c0	link	/test psi-openshift-integration-e2e
ci/prow/psi-minishift-integration-e2e	49697c0	link	/test psi-minishift-integration-e2e

Full PR test history. Your PR dashboard.

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