Add migration script for adding user_guid indexes (#79)

* Add migration script for adding user_guid indexes

* Add names for new indexes

migrations/1712659673740_add-user-guid-indexes.js

@@ -0,0 +1,29 @@
+/* eslint-disable camelcase */
+
+exports.shorthands = undefined
+
+exports.up = (pgm) => {
+  // Adding indexes
+  pgm.createIndex('completed_agegroup_entries', 'user_guid', {
+    ifNotExists: true,
+    name: completed_agegroup_entries_user_guid_idx,
+  })
+  pgm.createIndex('favourite_tasks', 'user_guid', {
+    ifNotExists: true,
+    name: favourite_tasks_user_guid_idx,
+  })
+  pgm.createIndex('notifications', 'user_guid', {
+    ifNotExists: true,
+    name: notifications_user_guid_idx,
+  })
+  pgm.createIndex('task_entries', 'user_guid', {
+    ifNotExists: true,
+    name: task_entries_user_guid_idx,
+  })
+  pgm.createIndex('task_group_entries', 'user_guid', {
+    ifNotExists: true,
+    name: task_group_entries_user_guid_idx,
+  })
+}
+
+exports.down = (pgm) => {}