feat: search + basic engine (wip)

client/graph/common/common-pages-query-search.gql

@@ -0,0 +1,15 @@
+query ($query: String!) {
+  pages {
+    search(query:$query) {
+      results {
+        id
+        title
+        description
+        path
+        locale
+      }
+      suggestions
+      totalHits
+    }
+  }
+}