monorepo 버전 준비

## @strpc
기존 RPC를 package화

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

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

@sammo/crypto/jest.config.mjs

@@ -0,0 +1,38 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+const jestConfig = {
+  preset: 'ts-jest/presets/default-esm',
+  extensionsToTreatAsEsm: ['.ts'],
+  testEnvironment: 'node',
+  rootDir: '.',
+  transform: {
+    '^.+\\.tsx?$': [
+      'ts-jest',
+      {
+        useESM: true,
+        tsconfig: 'tsconfig.jest.json',
+      },
+    ],
+  },
+  moduleFileExtensions: [
+    'js',
+    'mjs',
+    'ts',
+    'mts',
+    'tsx',
+    'jsx',
+  ],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+    "^lodash-es$": "lodash",
+    "^lodash-es/(.*)$": "<rootDir>/node_modules/lodash/$1",
+  },
+  modulePathIgnorePatterns: [
+    '<rootDir>/dist/',
+  ],
+  moduleDirectories: [
+    "node_modules",
+    ".*/@sammo/util"
+  ],
+};
+
+export default jestConfig