Deepbook Indexer CORS Update (#20987)

## Description 

CORS Update to allow cross origin requests

## Test plan 

How did you test the new or updated feature?

Tested locally using a local server calling the endpoint from a
different origin

## 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): 
- [ ] gRPC:
- [ ] JSON-RPC: 
- [ ] GraphQL: 
- [ ] CLI: 
- [ ] Rust SDK:

crates/sui-deepbook-indexer/Cargo.toml

@@ -32,6 +32,7 @@ sui-config.workspace = true
 sui-indexer-builder.workspace = true
 tempfile.workspace = true
 axum.workspace = true
+tower-http.workspace = true
 bigdecimal = { version = "0.4.5" }
 serde_json = { version = "1.0", features = ["preserve_order"] }
 

crates/sui-deepbook-indexer/src/server.rs

@@ -7,6 +7,7 @@ use crate::{
     schema::{self},
     sui_deepbook_indexer::PgDeepbookPersistent,
 };
+use axum::http::Method;
 use axum::{
     extract::{Path, Query, State},
     http::StatusCode,
@@ -22,6 +23,7 @@ use serde_json::Value;
 use std::time::{SystemTime, UNIX_EPOCH};
 use std::{collections::HashMap, net::SocketAddr};
 use tokio::{net::TcpListener, task::JoinHandle};
+use tower_http::cors::{AllowMethods, Any, CorsLayer};
 
 use std::str::FromStr;
 use sui_json_rpc_types::{SuiObjectData, SuiObjectDataOptions, SuiObjectResponse};
@@ -69,6 +71,11 @@ pub fn run_server(socket_address: SocketAddr, state: PgDeepbookPersistent) -> Jo
 }
 
 pub(crate) fn make_router(state: PgDeepbookPersistent) -> Router {
+    let cors = CorsLayer::new()
+        .allow_methods(AllowMethods::list(vec![Method::GET, Method::OPTIONS]))
+        .allow_headers(Any)
+        .allow_origin(Any);
+
     Router::new()
         .route("/", get(health_check))
         .route(GET_POOLS_PATH, get(get_pools))
@@ -90,6 +97,7 @@ pub(crate) fn make_router(state: PgDeepbookPersistent) -> Router {
         .route(ASSETS_PATH, get(assets))
         .route(SUMMARY_PATH, get(summary))
         .route(DEEP_SUPPLY_PATH, get(deep_supply))
+        .layer(cors)
         .with_state(state)
 }