[clsi-cache] add sharded disk layout (#30763)

* [clsi-cache] remove old DiskCrawler

* [clsi-cache] use helpers for populating state during initial crawl

* [clsi-cache] use path helpers everywhere

* [clsi-cache] create project folder as part of the initial crawl

* [clsi-cache] add sharded disk layout

* [k8s] clsi-cache: switch clsi-cache-zone-b-shard-0 to new disk layout

* [clsi-cache] tweak logging context

* [monorepo] add bin/format_project_key util

* [k8s] clsi-cache: use a single nginx config file

GitOrigin-RevId: bb49146502cc6201eef210efae33355321efd77b

libraries/object-persistor/src/ProjectKey.js

@@ -20,3 +20,4 @@ function naiveReverse(string) {
 
 exports.format = format
 exports.pad = pad
+exports.naiveReverse = naiveReverse