Add category, tag partials

Author: ravewebdev

api/wordpress/_partials/categoriesPostFields.js

@@ -0,0 +1,12 @@
+// Query partial: retrieve categories post fields.
+const categoriesPostFields = `
+  categories {
+    edges {
+      node {
+        slug
+        name
+      }
+    }
+  }
+`
+export default categoriesPostFields

api/wordpress/_partials/tagsPostFields.js

@@ -0,0 +1,12 @@
+// Query partial: retrieve tags post fields.
+const tagsPostFields = `
+  tags {
+    edges {
+      node {
+        name
+        slug
+      }
+    }
+  }
+`
+export default tagsPostFields