Update to match rest of list

- Put new items after nvm
- Use same description
- Decapitalize some words (kept Linux as capitalized to match rest of list)
- End with period

readme.md

@@ -38,10 +38,10 @@
 
 - [Node.js](https://nodejs.org/en/download/) - Node.js installer for various platforms.
 - [nvm-windows](https://github.com/coreybutler/nvm-windows) - Manage multiple installations of Node.js on a Windows computer.
+- [nvm](https://github.com/creationix/nvm) - Node version manager for macOS/Linux.
+- [n](https://github.com/tj/n) - Node version manager for macOS/Linux.
 - [npm-windows-upgrade](https://github.com/felixrieseberg/npm-windows-upgrade) - Upgrade npm on Windows.
 - [windows-build-tools](https://github.com/felixrieseberg/windows-build-tools) - Install C++ Build Tools for Windows using npm.
-- [n](https://github.com/tj/n) - Node version management for macOS/Linux 
-- [nvm](https://github.com/creationix/nvm) - Node Version Manager for macOS/Linux
 
 ### Continuous integration