Add kustomization and transformer references (#5523)

* Add fields to kustomization file ref

* Address grammar feedback.

* labels.fields

site/content/en/docs/Reference/API/Transformers/LabelTransformer.md

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+---
+title: "LabelTransformer"
+linkTitle: "LabelTransformer"
+weight: 2
+date: 2024-02-12
+description: >
+  LabelTransformer adds labels to user-input resources.
+---
+
+See [Transformers]({{< relref "../Transformers" >}}) for common required fields.
+
+* **apiVersion**: builtin
+* **kind**: LabelTransformer
+* **metadata** ([ObjectMeta](https://kubernetes.io/docs/reference/kubernetes-api/common-definitions/object-meta/#ObjectMeta))
+
+  Standard object's metadata.
+
+* **labels** (map[string]string)
+
+  Map of labels that LabelTransformer will add to resources.
+
+  If not specified, LabelTransformer leaves the resources unchanged.
+
+* **fieldSpecs** (\[\][FieldSpec]({{< relref "../Common%20Definitions/FieldSpec.md" >}}))
+
+  fieldSpecs specifies the field on each resource that LabelTransformer should add the labels to.
+  It essentially allows the user to re-define the field path of the Kubernetes labels field from `metadata/labels` for different resources.
+
+  If not specified, LabelTransformer applies the labels to the `metadata/labels` field of all resources.

site/content/en/docs/Reference/API/Transformers/NamespaceTransformer.md

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+---
+title: "NamespaceTransformer"
+linkTitle: "NamespaceTransformer"
+weight: 3
+date: 2024-02-12
+description: >
+  NamespaceTransformer sets the Namespace of user-input namespaced resources.
+---
+
+See [Transformers]({{< relref "../Transformers" >}}) for common required fields.
+
+* **apiVersion**: builtin
+* **kind**: NamespaceTransformer
+* **metadata** ([ObjectMeta](https://kubernetes.io/docs/reference/kubernetes-api/common-definitions/object-meta/#ObjectMeta))
+
+  Standard object's metadata.
+
+* **fieldSpecs** (\[\][FieldSpec]({{< relref "../Common%20Definitions/FieldSpec.md" >}})), optional
+
+  fieldSpecs allows the user to re-define the field path of the Kubernetes Namespace field from `metadata/namespace` for different resources.
+
+  If not specified, NamespaceTransformer applies the namespace to the `metadata/namespace` field of all resources.
+
+* **unsetOnly** (bool), optional
+
+  UnsetOnly indicates whether the NamespaceTransformer will only set namespace fields that are currently unset. Defaults to false.
+
+* **setRoleBindingSubjects** (RoleBindingSubjectMode), optional
+
+  SetRoleBindingSubjects determines which subject fields in RoleBinding and ClusterRoleBinding objects will have their namespace fields set. Overrides field specs provided for these types.
+
+  _RoleBindingSubjectMode specifies which subjects will be set. It can be one of three possible values:_
+
+  - `defaultOnly` (default): namespace will be set only on subjects named "default".
+  - `allServiceAccounts`: Namespace will be set on all subjects with `kind: ServiceAccount`.
+  - `none`: All subjects will be skipped.

site/content/en/docs/Reference/API/Transformers/PrefixTransformer.md

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+---
+title: "PrefixTransformer"
+linkTitle: "PrefixTransformer"
+weight: 4
+date: 2024-02-12
+description: >
+  PrefixTransformer adds prefixes to the names of user-input resources.
+---
+
+See [Transformers]({{< relref "../Transformers" >}}) for common required fields.
+
+* **apiVersion**: builtin
+* **kind**: PrefixTransformer
+* **metadata** ([ObjectMeta](https://kubernetes.io/docs/reference/kubernetes-api/common-definitions/object-meta/#ObjectMeta))
+
+  Standard object's metadata.
+
+* **prefix** (string)
+
+  Prefix is the value that PrefixTransformer will prepend to the names of resources.
+
+  If not specified, PrefixTransformer leaves the names of resources unchanged.
+
+* **fieldSpecs** (\[\][FieldSpec]({{< relref "../Common%20Definitions/FieldSpec.md" >}}))
+
+  fieldSpecs specifies the field on each resource that PrefixTransformer should add the prefix to.
+  It essentially allows the user to re-define the field path of the Kubernetes name field from `metadata/name` for different resources.
+
+  If not specified, PrefixTransformer applies the prefix to the `metadata/name` field of all resources.

site/content/en/docs/Reference/API/Transformers/SuffixTransformer.md

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+---
+title: "SuffixTransformer"
+linkTitle: "SuffixTransformer"
+weight: 5
+date: 2024-02-12
+description: >
+  SuffixTransformer adds suffixes to the names of user-input resources.
+---
+
+See [Transformers]({{< relref "../Transformers" >}}) for common required fields.
+
+* **apiVersion**: builtin
+* **kind**: SuffixTransformer
+* **metadata** ([ObjectMeta](https://kubernetes.io/docs/reference/kubernetes-api/common-definitions/object-meta/#ObjectMeta))
+
+  Standard object's metadata.
+
+* **suffix** (string)
+
+  Suffix is the value that SuffixTransformer will postfix to the names of resources.
+
+  If not specified, SuffixTransformer leaves the names of resources unchanged.
+
+* **fieldSpecs** (\[\][FieldSpec]({{< relref "../Common%20Definitions/FieldSpec.md" >}}))
+
+  fieldSpecs specifies the field on each resource that SuffixTransformer should add the suffix to.
+  It essentially allows the user to re-define the field path of the Kubernetes name field from `metadata/name` for different resources.
+
+  If not specified, SuffixTransformer applies the suffix to the `metadata/name` field of all resources.