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

@@ -1,15 +1,18 @@
-{
-    "name": "example pipeline",
-    "type": 0,
-    "removeMetadata": false,
-    "steps": [
-        {
-            "name": "resize image",
-            "type": 0
-        },
-        {
-            "name": "compress image",
-            "type": 1
-        }
-    ]
-}
+[
+    {
+        "name": "example pipeline",
+        "slug": "example",
+        "type": 0,
+        "removeMetadata": false,
+        "steps": [
+            {
+                "name": "resize image",
+                "type": 0
+            },
+            {
+                "name": "compress image",
+                "type": 1
+            }
+        ]
+    }
+]