Switch to using static routes for archive redirects

The dynamic route `circulars.$circularId.tsx` was conflicting with
the dynamic route `circulars.archive[.]$suffix[.].tar.ts`.

app/routes/circulars.archive[.]json[.]tar.ts

@@ -0,0 +1,17 @@
+/*!
+ * Copyright © 2023 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import { redirect } from '@remix-run/node'
+
+import { publicStaticShortTermCacheControlHeaders } from '~/lib/headers.server'
+import { getArchiveURL } from '~/scheduled/circulars/uploadTar'
+
+export function loader() {
+  return redirect(getArchiveURL('json'), {
+    headers: publicStaticShortTermCacheControlHeaders,
+  })
+}

app/routes/circulars.archive[.]txt[.]tar.ts

@@ -0,0 +1,17 @@
+/*!
+ * Copyright © 2023 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import { redirect } from '@remix-run/node'
+
+import { publicStaticShortTermCacheControlHeaders } from '~/lib/headers.server'
+import { getArchiveURL } from '~/scheduled/circulars/uploadTar'
+
+export function loader() {
+  return redirect(getArchiveURL('txt'), {
+    headers: publicStaticShortTermCacheControlHeaders,
+  })
+}

app/scheduled/circulars/uploadTar.ts

@@ -13,7 +13,7 @@ import type { Pack } from 'tar-stream'
 import { pack as tarPack } from 'tar-stream'
 
 import type { CircularAction } from './circularAction'
-import { staticBucket as Bucket } from '~/lib/env.server'
+import { staticBucket as Bucket, region } from '~/lib/env.server'
 import type { Circular } from '~/routes/circulars/circulars.lib'
 import {
   formatCircularJson,
@@ -22,10 +22,18 @@ import {
 
 const s3 = new S3Client({})
 
-export function getBucketKey(suffix: string) {
+function getBucketKey(suffix: string) {
   return `circulars/archive.${suffix}.tar`
 }
 
+function getBucketUrl(region: string, bucket: string, key: string) {
+  return `https://s3.${region}.amazonaws.com/${bucket}/${key}`
+}
+
+export function getArchiveURL(suffix: string) {
+  return getBucketUrl(region, Bucket, getBucketKey(suffix))
+}
+
 function createUploadAction(
   suffix: string,
   formatter: (circular: Circular) => string