Add slug field to pipeline struct

pipeline.go

@@ -27,6 +27,7 @@ type IPipeline interface {
 
 type Pipeline struct {
 	Name           string       `json:"name"`
+	Slug           string       `json:"slug"`
 	Type           PipelineType `json:"type"`
 	RemoveMetadata bool         `json:"remove_metadata"`
 	Steps          []Step       `json:"steps"`

pipeline_test.go

@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestImagePipelineDeserialization(t *testing.T) {

pipelines/example.json

@@ -1,5 +1,7 @@
-{
+[
+    {
         "name": "example pipeline",
+        "slug": "example",
         "type": 0,
         "removeMetadata": false,
         "steps": [
@@ -12,4 +14,5 @@
                 "type": 1
             }
         ]
-}
+    }
+]