Move global express args definition

This way tests that import the http utilities but not the routes won't
error due to missing types.

src/node/http.ts

@@ -5,10 +5,21 @@ import qs from "qs"
 import safeCompare from "safe-compare"
 import { HttpCode, HttpError } from "../common/http"
 import { normalize, Options } from "../common/util"
-import { AuthType } from "./cli"
+import { AuthType, DefaultedArgs } from "./cli"
 import { commit, rootPath } from "./constants"
+import { Heart } from "./heart"
 import { hash } from "./util"
 
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace Express {
+    export interface Request {
+      args: DefaultedArgs
+      heart: Heart
+    }
+  }
+}
+
 /**
  * Replace common variable strings in HTML templates.
  */

src/node/routes/index.ts

@@ -26,16 +26,6 @@ import * as _static from "./static"
 import * as update from "./update"
 import * as vscode from "./vscode"
 
-declare global {
-  // eslint-disable-next-line @typescript-eslint/no-namespace
-  namespace Express {
-    export interface Request {
-      args: DefaultedArgs
-      heart: Heart
-    }
-  }
-}
-
 /**
  * Register all routes and middleware.
  */