feat(go): add Go to template configuration

Add commented-out golangci-lint pre-commit hook and go language option
to .devrail.yml.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: matthew-on-git

.devrail.yml

@@ -7,6 +7,7 @@ languages:
   # - terraform
   # - ansible
   # - ruby
+  # - go
 
 # fail_fast: false          # default: false (run-all-report-all)
 # log_format: json          # default: json | options: json, human

.pre-commit-config.yaml

@@ -47,6 +47,13 @@ repos:
   #   hooks:
   #     - id: rubocop
 
+  # --- Go (uncomment if languages includes go) ---
+  # Linting with golangci-lint v2
+  # - repo: https://github.com/golangci/golangci-lint
+  #   rev: v2.1.6
+  #   hooks:
+  #     - id: golangci-lint-full
+
   # --- Secret Detection ---
   # Detects hardcoded secrets, API keys, and credentials in code
   - repo: https://github.com/gitleaks/gitleaks