新增環境安裝

Author: smlsunxie

Diff for: SUMMARY.md

@@ -11,6 +11,7 @@
 * 為什麼要學 JavaScript
     * JavaScript 的至今發展狀況
     * JavaScript 應用案例 -->
+* [環境安裝](./install.md)
 
 * [範例專案說明](./004-js-workshop/readme.md)
 

Diff for: install.md

@@ -0,0 +1,18 @@
+# 環境安裝
+
+* nodejs: <https://nodejs.org/en/download/>
+
+## Windows
+
+
+
+* install cmder: <https://github.com/cmderdev/cmder/releases/download/v1.3.6/cmder.zip>
+
+* install nodejs: <https://nodejs.org/dist/v8.11.3/node-v8.11.3-x86.msi>
+
+## MacOS
+
+install nodejs: <https://nodejs.org/dist/v8.11.3/node-v8.11.3.pkg>
+
+
+