feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/fast-json-patch/tsc-to-mjs.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+cd module
+mv core.js core.mjs && mv duplex.js duplex.mjs && mv helpers.js helpers.mjs
+# Unlike Ubuntu, OS X requires the extension to be explicitly specified
+# https://myshittycode.com/2014/07/24/os-x-sed-extra-characters-at-the-end-of-l-command-error/
+if [[ "$OSTYPE" == "darwin"* ]]; then
+  sed -i '' 's/\.js/\.mjs/g' duplex.mjs core.mjs
+else
+  sed -i 's/\.js/\.mjs/g' duplex.mjs core.mjs
+fi