feat(prettier): add target to style Go templates

Use package prettier-plugin-go-template[1] for *.html and *.tmpl files.

[1]: https://www.npmjs.com/package/prettier-plugin-go-template

tools/sgprettier/tools.go

@@ -13,11 +13,13 @@ import (
 const packageJSONContent = `{
  "devDependencies": {
  "@einride/prettier-config": "2.1.0",
- "prettier": "3.0.3"
+ "prettier": "3.0.3",
+ "prettier-plugin-go-template": "0.0.15"
  }
 }`
 
 const prettierConfigContent = `module.exports = {
+ plugins: [require("prettier-plugin-go-template")],
  ...require("@einride/prettier-config"),
 }`
 
@@ -31,6 +33,20 @@ func Command(ctx context.Context, args ...string) *exec.Cmd {
  return sg.Command(ctx, sg.FromBinDir(name), args...)
 }
 
+func FormatGoTemplates(ctx context.Context) *exec.Cmd {
+ args := []string{
+ "--config",
+ prettierrc,
+ "--parser",
+ "go-template",
+ "--write",
+ "**/*.html",
+ "**/*.tmpl",
+ "!" + sg.FromSageDir(),
+ }
+ return Command(ctx, args...)
+}
+
 func FormatMarkdownCommand(ctx context.Context) *exec.Cmd {
  args := []string{
  "--config",