docs: adds documentation about using inputs

Adds documentation for using inputs.

templates/golang.md

- [`templates/golang.yml`](./templates/golang.yml)
+# [`templates/golang.yml`](./templates/golang.yml)
 This template should be used for Golang projects.
@@ -29,3 +29,22 @@ include:
     ref: v1.73.0  # renovate:managed
     file: templates/golang.yml
 ```
+
+## Overriding Stages
+
+You can override the stages that a CI/CD job runs in [using inputs](https://docs.gitlab.com/ee/ci/yaml/includes.html#define-input-parameters-with-specinputs).
+
+```yaml
+include:
+  - local: .gitlab-ci-asdf-versions.yml
+  # This template should be included in all Infrastructure projects.
+  # It includes standard checks, gitlab-scanners, validations and release processes
+  # common to all projects using this template library.
+  # see https://gitlab.com/gitlab-com/gl-infra/common-ci-tasks/-/blob/main/templates/standard.md
+  - project: "gitlab-com/gl-infra/common-ci-tasks"
+    ref: v1.73.0  # renovate:managed
+    file: templates/golang.yml
+    inputs:
+      validate_stage: test  # stage that validation jobs should run in
+      release_stage: deploy  # stage that release jobs should run in
+```

templates/standard.md

@@ -15,7 +15,7 @@ Includes the following tasks:
 1. [`yamllint.yml`](../yamllint.md): validates that YAML matches the YAML formatting rules for the project.
 ```yaml
-# Requires stages validate and release
+# Requires stages validate, release and renovate_bot
 stages:
   - validate
   - release
@@ -31,3 +31,23 @@ include:
     ref: v1.73.0  # renovate:managed
     file: templates/standard.yml
 ```
+
+## Overriding Stages
+
+You can override the stages that a CI/CD job runs in [using inputs](https://docs.gitlab.com/ee/ci/yaml/includes.html#define-input-parameters-with-specinputs).
+
+```yaml
+include:
+  - local: .gitlab-ci-asdf-versions.yml
+  # This template should be included in all Infrastructure projects.
+  # It includes standard checks, gitlab-scanners, validations and release processes
+  # common to all projects using this template library.
+  # see https://gitlab.com/gitlab-com/gl-infra/common-ci-tasks/-/blob/main/templates/standard.md
+  - project: "gitlab-com/gl-infra/common-ci-tasks"
+    ref: v1.73.0  # renovate:managed
+    file: templates/standard.yml
+    inputs:
+      validate_stage: test  # stage that validation jobs should run in
+      release_stage: deploy  # stage that release jobs should run in
+      renovate_bot_stage: test  # stage that renovate should run in
+```

templates/terraform.md

@@ -31,3 +31,21 @@ include:
     ref: v1.73.0  # renovate:managed
     file: templates/terraform.yml
 ```
+
+## Overriding Stages
+
+You can override the stages that a CI/CD job runs in [using inputs](https://docs.gitlab.com/ee/ci/yaml/includes.html#define-input-parameters-with-specinputs).
+
+```yaml
+include:
+  - local: .gitlab-ci-asdf-versions.yml
+  # This template should be included in all Infrastructure projects.
+  # It includes standard checks, gitlab-scanners, validations and release processes
+  # common to all projects using this template library.
+  # see https://gitlab.com/gitlab-com/gl-infra/common-ci-tasks/-/blob/main/templates/standard.md
+  - project: "gitlab-com/gl-infra/common-ci-tasks"
+    ref: v1.73.0  # renovate:managed
+    file: templates/terraform.yml
+    inputs:
+      validate_stage: test  # stage that validation jobs should run in
+```