feat: add posts for nodejs & ruby local setup

Author: cshen-dev

Programming/_posts/2024-04-05-nodejs-setup.md

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+---
+layout: post
+title: "NodeJS Local Setup Cheatsheet"
+tags: [beginner]
+---
+
+Node.js is a widely adopted runtime for web applications and is commonly used by full-stack software engineers.
+
+## NodeJS version manager
+
+- [nvm-sh/nvm: Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions](https://github.com/nvm-sh/nvm)
+- [tj/n: Node version management](https://github.com/tj/n)
+
+
+Chose __*n*__ because of its strong Homebrew support.
+
+__*nvm*__ tends to be more popular, partly due to its author’s influence in the JavaScript community (launched on April 11, 2010) and its support for .nvmrc.
+
+__*n*__ may be preferred by Koa users or long-time JavaScript developers (launched on January 2, 2011), as it supports .node-version.

Programming/_posts/2024-04-05-ruby-setup.md

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+---
+layout: post
+title: "Ruby Local Setup Cheatsheet"
+tags: [beginner]
+---
+
+Ruby was once the dominant language among tech startups, largely due to the success of Ruby on Rails. GitHub itself began as a Ruby-based project.
+
+With a philosophy centered on developer happiness, Ruby embodies the Japanese ideals of simplicity and refinement.
+
+While its usage has declined with the emergence of type-safe languages and AI technologies, I still consider it an excellent choice for personal or hobby projects.
+
+## Ruby version manager
+
+- [GitHub - rbenv/rbenv: Manage your app's Ruby environment ](https://github.com/rbenv/rbenv)
+
+## Commands
+`brew install rbenv`