turn markdown example into godoc format

packer-plugin-sdk/template/doc.go

@@ -8,40 +8,35 @@ validation, custom type decoding, and template variable interpolation.
 A simple usage example that defines a config and then unpacks a user-provided
 json template into the provided config:
 
-```golang
-import (
-	// ...
-	"github.com/hashicorp/packer-plugin-sdk/template/config"
-	"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
-)
-
-type Config struct {
-	Field1   string `mapstructure:"field_1"`
-	Field2   bool   `mapstructure:"field_2"`
-	Field3   bool   `mapstructure:"field_3"`
-
-	ctx interpolate.Context
-}
-
-type Provisioner struct {
-	config Config
-}
-
-func (p *CommentProvisioner) Prepare(raws ...interface{}) error {
-	err := config.Decode(&p.config, &config.DecodeOpts{
-		Interpolate:        true,
-		InterpolateContext: &p.config.ctx,
-	}, raws...)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-// ...
-
-```
+  import (
+  	// ...
+  	"github.com/hashicorp/packer-plugin-sdk/template/config"
+  	"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
+  )
+
+  type Config struct {
+  	Field1   string `mapstructure:"field_1"`
+  	Field2   bool   `mapstructure:"field_2"`
+  	Field3   bool   `mapstructure:"field_3"`
+
+  	ctx interpolate.Context
+  }
+
+  type Provisioner struct {
+  	config Config
+  }
+
+  func (p *CommentProvisioner) Prepare(raws ...interface{}) error {
+  	err := config.Decode(&p.config, &config.DecodeOpts{
+  		Interpolate:        true,
+  		InterpolateContext: &p.config.ctx,
+  	}, raws...)
+  	if err != nil {
+  		return err
+  	}
+
+  	return nil
+  }
 
 More implementation details for plugins can be found in the
 [extending packer](https://www.packer.io/docs/extending) section of the website.