Make Gulp an optional peer dependency (#115)

Spencer · sindresorhus · commit a5994eac4576 · 2019-10-04T14:19:34.000+07:00
diff --git a/package.json b/package.json
@@ -44,5 +44,10 @@
 	},
 	"peerDependencies": {
 		"gulp": ">=4"
+	},
+	"peerDependenciesMeta": {
+		"gulp": {
+			"optional": true
+		}
 	}
 }
