monorepo 버전 준비

## @strpc
기존 RPC를 package화

### @strpc/express
express의 middleware + router 결함

## @sammo
게임 전체
- server, client
- gateway_server, gateway_client

@sammo/crypto/src/SHA2.ts

@@ -0,0 +1,19 @@
+import { isBufferSource } from "./types.js";
+import { BSON } from "bson";
+import { type Bsonifiable, bsonify } from "@sammo/util";
+import { isArray, isDate, isObject } from "lodash-es";
+const subtle = globalThis.crypto.subtle;
+
+export async function sha256(msg: Bsonifiable | BufferSource): Promise<ArrayBuffer> {
+	if (!isBufferSource(msg)) {
+		msg = BSON.serialize(bsonify(msg));
+	}
+	return await subtle.digest('SHA-256', msg);
+}
+
+export async function sha512(msg: Bsonifiable | BufferSource): Promise<ArrayBuffer> {
+	if (!isBufferSource(msg)) {
+		msg = BSON.serialize(bsonify(msg));
+	}
+	return await subtle.digest('SHA-512', msg);
+}