feat: add raw version of text fields

src/lib/data-source.mjs

@@ -26,7 +26,7 @@ export async function createIndex(client, index) {
         mappings: {
           [doctype]: {
             properties: {
-              operator: { type: 'text', fields: { raw: { type: 'keyword' } } },
+              operator: { type: 'keyword' },
               aircraft: { type: 'text', fields: { raw: { type: 'keyword' } } },
               aircraft_manufacturer: { type: 'keyword' },
               transponder: { type: 'keyword' },