monorepo 버전 준비

## @strpc
기존 RPC를 package화

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

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

@sammo/util/src/simpleSerialize.ts

@@ -0,0 +1,18 @@
+import { isInteger, isString } from "lodash-es";
+
+export function simpleSerialize(...values : (string|number)[]): string{
+  const result: string[] = [];
+  for(const value of values){
+    if(isString(value)){
+      result.push(`str(${value.length},${value})`);
+      continue;
+    }
+    if(isInteger(value)){
+      result.push(`int(${value})`);
+      continue;
+    }
+    const float6 = value.toLocaleString("en-US", {maximumFractionDigits: 6});
+    result.push(`float(${float6})`);
+  }
+  return result.join('|');
+}