NO-ISSUE: style(e2e): indent go template syntax in yaml files

[hhk7734]

No description provided.

[Copilot]

Pull request overview

This PR introduces a style guideline for Go template syntax indentation in YAML files and applies it consistently across e2e test templates. The changes improve code readability by ensuring template directives are properly indented to match their surrounding YAML context.

Changes:

• Added a new coding guideline in AGENTS.md requiring Go template syntax to be indented to match surrounding code
• Applied proper indentation to all Go template directives ({{- if ... }}, {{- end }}, etc.) across e2e test template files

Reviewed changes

Copilot reviewed 1 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
AGENTS.md	Added new guideline under "Go Templates" section specifying indentation requirements for Go template syntax
test/e2e/templates/inference-service-template-common.yaml.tmpl	Indented all template directives to align with their YAML context levels
test/e2e/templates/inference-service-prefill.yaml.tmpl	Indented template directives to match surrounding YAML structure
test/e2e/templates/inference-service-decode.yaml.tmpl	Indented template directives to match surrounding YAML structure
test/e2e/templates/inference-perf-job.yaml.tmpl	Indented template directives within shell script and YAML contexts appropriately