Update fullnode-template.yaml to include archival fallback (#19630)

## Description 

template update

---

## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol: 
- [ ] Nodes (Validators and Full nodes): 
- [ ] Indexer: 
- [ ] JSON-RPC: 
- [ ] GraphQL: 
- [ ] CLI: 
- [ ] Rust SDK:
- [ ] REST API:

crates/sui-config/data/fullnode-template.yaml

@@ -19,3 +19,20 @@ authority-store-pruning-config:
   max-checkpoints-in-batch: 10
   max-transactions-in-batch: 1000
   pruning-run-delay-seconds: 60
+
+state-archive-read-config:
+  - object-store-config:
+      object-store: "S3"
+      # Use mysten-testnet-archives for testnet 
+      # Use mysten-mainnet-archives for mainnet
+      bucket: "mysten-<testnet|mainnet>-archives"
+      # you can either provide your own aws credentials via "aws-secret-access-key" and
+      # "aws-access-key-id" or set no-sign-request: true
+      no-sign-request: true
+      aws-region: "us-west-2"
+      object-store-connection-limit: 20
+    # How many objects to read ahead when catching up  
+    concurrency: 5
+    # Whether to prune local state based on latest checkpoint in archive.
+    # This should stay false for most use cases
+    use-for-pruning-watermark: false