Client plugins not registered.

[JoshVanL]

Client auth plugins get registered to the local client via an init() func in their package.

e.g.

	if err := restclient.RegisterAuthProviderPlugin("oidc", newOIDCAuthProvider); err != nil {
		klog.Fatalf("Failed to register oidc auth plugin: %v", err)
	}

Since we don't currently do this, trying to auth in this way causes for example;
error: No Auth Provider found for name "oidc"

We just need to import the plugin directories to get them registered.

This needs to be backported to 0.1

/cc @ltagliamonte-dd
/assign
/kind bug

[JoshVanL]

Didn't need a back port - see PR

[JoshVanL]

/close

[jetstack-bot]

@JoshVanL: Closing this issue.

In response to this:

/close

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