fix broken recipe collection and make pets work (#1664)

docs/_pages/pets.md

@@ -0,0 +1,10 @@
+---
+title: Pets
+layout: collection
+permalink: /pets/
+collection: pets
+entries_layout: grid
+classes: wide
+---
+
+Sample document listing for the collection `_pets`.

docs/_pages/recipes-archive.md

@@ -2,7 +2,7 @@
 layout: collection
 title: "Recipes"
 collection: recipes
-permalink: /recipes-archive/
+permalink: /recipes/
 author_profile: false
 ---