fix: add saml configuration to k3d standard bundle (#425)

## Description
Add saml configuration for Google IDP saml to the demo bundle by
default. This includes two groups from google to keycloak mapping.

Sort of a self documenting fix, but can also refer to the [uds-core
docs](https://github.com/defenseunicorns/uds-core/blob/main/docs/configuration/uds-user-groups.md)
for more info.

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [x] Other (security config, docs update, etc)

## Checklist before merging

- [x] Test, docs, adr added or updated as needed
- [x] [Contributor Guide
Steps](https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md)(https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md#submitting-a-pull-request)
followed

---------

Co-authored-by: Rob Ferguson <[email protected]>

Author: chance-coleman

bundles/k3d-standard/uds-bundle.yaml

@@ -97,3 +97,13 @@ packages:
             - name: INSECURE_ADMIN_PASSWORD_GENERATION
               description: "Generate an insecure admin password for dev/test"
               path: insecureAdminPasswordGeneration.enabled
+          values:
+            - path: realmInitEnv
+              value:
+                GOOGLE_IDP_ENABLED: true
+                GOOGLE_IDP_ID: "C01881u7t"
+                GOOGLE_IDP_SIGNING_CERT: "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"
+                GOOGLE_IDP_NAME_ID_FORMAT: "urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified"
+                GOOGLE_IDP_CORE_ENTITY_ID: "https://sso.uds.dev/realms/uds"
+                GOOGLE_IDP_ADMIN_GROUP: "uds-core-dev-admin"
+                GOOGLE_IDP_AUDITOR_GROUP: "uds-core-dev-auditor"

docs/configuration/uds-user-groups.md

@@ -34,6 +34,8 @@ All groups are under the Uds Core parent group. Frequently a group will be refer
 
 UDS Core ships with a [templated](https://github.com/defenseunicorns/uds-identity-config/blob/main/src/realm.json#L1712-L1813) Google SAML IDP, more documentation to configure the `realmInitEnv` values in [uds-identity-config](https://github.com/defenseunicorns/uds-identity-config/blob/main/docs/CUSTOMIZE.md#customizing-realm).
 
+Alternatively, the `realmInitEnv` can be configured via bundle overrides like in the [k3d-standard-bundle](https://github.com/defenseunicorns/uds-core/blob/main/bundles/k3d-standard/uds-bundle.yaml#L96).
+
 Configuring your own IDP can be achieved via:
 * Custom uds-identity-config with a templated realm.json