oh-my-zsh installation instructions

README.md

@@ -16,6 +16,28 @@
 antigen bundle lukechilds/zsh-better-npm-completion
 ```
 
+### oh-my-zsh
+
+#### Install
+
+```shell
+git clone https://github.com/lukechilds/zsh-better-npm-completion ~/.oh-my-zsh/custom/plugins/zsh-better-npm-completion
+```
+
+#### Activate
+
+in `.zshrc`:
+
+```shell
+plugins+=(zsh-better-npm-completion)
+```
+
+You may also need to activate completions if they aren't already on:
+
+```shell
+autoload -U compinit && compinit
+```
+
 ### Manual Installation
 
 Clone this repo or just download `zsh-better-npm-completion.plugin.zsh` and source it in your `.zshrc`.