DOC-491: Add OIDC SSO with Okta

[kreeuwijk]

Describe the Change

This PR adds documentation on how to configure Okta for OIDC-based SSO

Review Changes

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🎫 Jira Ticket

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[github-actions]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 42.1%, saving 502.94 KB.

Filename	Before	After	Improvement	Visual comparison
assets/docs/images/oidc-okta-images/oidc-okta_add-access-policy.png	31.36 KB	15.67 KB	-50.0%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_add-authz-server.png	81.04 KB	47.15 KB	-41.8%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_add-claims.png	36.42 KB	19.62 KB	-46.1%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_add-policy-rule.png	57.34 KB	30.62 KB	-46.6%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_assignments.png	76.53 KB	45.62 KB	-40.4%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_claims-result.png	41.65 KB	22.92 KB	-45.0%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_configure-palette-oidc.png	113.72 KB	71.34 KB	-37.3%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_configure-policy-rule.png	88.14 KB	50.62 KB	-42.6%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_copy-callback-url.png	110.83 KB	68.41 KB	-38.3%	View diff
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assets/docs/images/oidc-okta-images/oidc-okta_get-issuer-uri.png	64.09 KB	36.83 KB	-42.5%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_name-access-policy.png	32.45 KB	17.33 KB	-46.6%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_name-authz-server.png	29.59 KB	15.27 KB	-48.4%	View diff
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assets/docs/images/oidc-okta-images/oidc-okta_okta-general-settings.png	43.57 KB	24.01 KB	-44.9%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_paste-logout-uri.png	28.48 KB	15.60 KB	-45.2%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_paste-redirect-uri.png	30.21 KB	16.67 KB	-44.8%	View diff
assets/docs/images/oidc-okta-images/oidc-okta_tenant-roles.png	34.78 KB	20.24 KB	-41.8%	View diff

345 images did not require optimisation.

[karl-cardenas-coding]

@kreeuwijk Awesome how-to guide. Very easy to follow and throughout. I left you a few suggestions Kevin. Once these get addressed, we'll get this merged.