implement po_token extractor args

frontend/src/api/actions/deletePoToken.ts

@@ -0,0 +1,9 @@
+import APIClient from '../../functions/APIClient';
+
+const deletePoToken = async () => {
+  return APIClient('/api/appsettings/potoken/', {
+    method: 'DELETE',
+  });
+};
+
+export default deletePoToken;

frontend/src/api/actions/updatePoToken.ts

@@ -0,0 +1,10 @@
+import APIClient from '../../functions/APIClient';
+
+const updatePoToken = async (potoken: string) => {
+  return APIClient('/api/appsettings/potoken/', {
+    method: 'POST',
+    body: { potoken },
+  });
+};
+
+export default updatePoToken;

frontend/src/api/loader/loadAppsettingsConfig.ts

@@ -21,6 +21,7 @@ export type AppSettingsConfigType = {
     comment_max: string | null;
     comment_sort: string;
     cookie_import: boolean;
+    potoken: boolean;
     throttledratelimit: number | null;
     extractor_lang: string | null;
     integrate_ryd: boolean;