feat: Template support for the NGINX HTTP gzip static module

[alessfg]

Proposed changes

Add templating support for the ngx_http_gzip_static_module NGINX module. Closes #380.

Checklist

Before creating a PR, run through this checklist and mark each as complete:

• I have read the contributing guidelines.
• I have signed the F5 Contributor License Agreement (CLA).
• If applicable, I have added Molecule tests that prove my fix is effective or that my feature works.
• If applicable, I have checked that any relevant Molecule tests pass after adding my changes.
• I have updated any relevant documentation (defaults/main/*.yml, README.md and CHANGELOG.md).

[Copilot]

Pull Request Overview

This PR adds templating support for the NGINX gzip static module by introducing a new "static" parameter setting in the relevant configuration files.

• Added a "static" parameter to molecule converge configurations and the main template
• Updated the CHANGELOG to reflect the new feature

Reviewed Changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated no comments.

File	Description
molecule/complete_plus/converge.yml	Added "static: false" to configuration for one test scenario
molecule/complete/converge.yml	Added "static: always" to configuration for another test scenario
defaults/main/template.yml	Updated template with "static: false" to support templating feature
CHANGELOG.md	Logged the new templating support for the ngx_http_gzip_static_module

Files not reviewed (2)

• templates/http/modules.j2: Language not supported
• templates/stream/modules.j2: Language not supported

Comments suppressed due to low confidence (1)

molecule/complete/converge.yml:467

• The 'static' parameter is set to 'always' here while other configurations and the template default to 'false'. Please confirm that this discrepancy is intentional and aligns with the expected behavior of the module.

static: always