feat: migrate backend to cosmiconfig

backend/backend/config/b-tu/elasticsearchrc.js

@@ -0,0 +1,20 @@
+// @ts-check
+
+/**
+ * This is the database configuration for the technical university of berlin
+ *
+ * @type {import('@openstapps/logger').RecursivePartial<import('../../src/storage/elasticsearch/types/elasticsearch.js').ElasticsearchConfigFile>}
+ */
+const config = {
+  internal: {
+    database: {
+      name: 'elasticsearch',
+      query: {
+        minMatch: '60%',
+        queryType: 'query_string',
+      },
+    },
+  },
+};
+
+export default config;