add nodeJS guide

ide/intelliJ/README.md

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+# IntelliJ IDEA Community
+
+Plugins
+
+* Lombok
+* Free MyBatis Plugins
+* Request Mapper

ide/vscode/README.md

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+# Visual Studio Code
+
+Extensions
+
+* [EditorConfig](https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig). Sample `.editorconfig`
+
+```ini
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+```
+
+* Code Runner
+* Live Server

nodeJS/README.md

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+# Javascript
+
+## Code Style
+
+* [Info](https://javascript.info/coding-style)
+* [Google Style](https://google.github.io/styleguide/jsguide.html)
+* [StandardJS](https://standardjs.com/)
+* General guide
+  * Indentation : +2 spaces
+  * A line space between code block
+  * Column limit : 80
+  * Use single quote `'` for strings
+  * Use `===` for equality check
+  * A space between `:` and value in key-value pair
+
+### [ESLint](https://eslint.org/)
+
+* Install package
+
+```sh
+$ npm install -g eslint
+
+```
+
+* Create `.eslintrc` config file
+
+```json
+{
+  "extends": "eslint:recommended",
+  "env": {
+    "browser": true,
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "no-console": 0,
+    "indent": 2
+  }
+}
+```
+
+
+
+*