Move many files to diachron subdir

express/app.ts

@@ -3,13 +3,13 @@ import express, {
     type Response as ExpressResponse,
 } from "express";
 import { match } from "path-to-regexp";
-import { Session } from "./auth";
-import { cli } from "./cli";
-import { contentTypes } from "./content-types";
-import { runWithContext } from "./context";
-import { core } from "./core";
-import { httpCodes } from "./http-codes";
-import { request } from "./request";
+import { Session } from "./diachron/auth";
+import { cli } from "./diachron/cli";
+import { contentTypes } from "./diachron/content-types";
+import { runWithContext } from "./diachron/context";
+import { core } from "./diachron/core";
+import { httpCodes } from "./diachron/http-codes";
+import { request } from "./diachron/request";
 import { routes } from "./routes";
 
 // import { URLPattern } from 'node:url';
@@ -25,7 +25,7 @@ import {
     type ProcessedRoute,
     type Result,
     type Route,
-} from "./types";
+} from "./diachron/types";
 
 const app = express();