📝 add plugin installation doc

README.md

@@ -1,2 +1,62 @@
 # zsh-tgenv
-zsh plugin for installing and loading tgenv
+
+zsh plugin for installing and loading [tgenv](https://github.com/cunymatthieu/tgenv.git)
+>Inpired by [zsh-pyenv](https://github.com/mattberther/zsh-pyenv)
+
+## Usage
+
+Once the plugin installed, `tgenv` will be available
+
+### Using [Antigen](https://github.com/zsh-users/antigen)
+
+Bundle `zsh-tgenv` in your `.zshrc`
+
+```
+antigen bundle ptavares/zsh-tgenv
+```
+
+### Using [zplug](https://github.com/b4b4r07/zplug)
+
+Load `zsh-tgenv` as a plugin in your `.zshrc`
+
+```
+zplug "ptavares/zsh-tgenv"
+```
+
+### Using [zgen](https://github.com/tarjoilija/zgen)
+
+Include the load command in your `.zshrc`
+
+```
+zget load ptavares/zsh-tgenv
+```
+
+### As an [Oh My ZSH!](https://github.com/robbyrussell/oh-my-zsh) custom plugin
+
+Clone `zsh-tgenv` into your custom plugins repo and load as a plugin in your `.zshrc`
+
+```shell
+git clone https://github.com/ptavares/zsh-tgenv ~/.oh-my-zsh/custom/plugins/zsh-tgenv
+```
+
+```
+plugins+=(zsh-tgenv)
+```
+
+Keep in mind that plugins need to be added before `oh-my-zsh.sh` is sourced.
+
+### Manually
+
+Clone this repository somewhere (`~/.zsh-tgenv` for example) and source it in your `.zshrc`
+
+```shell
+git clone https://github.com/ptavares/zsh-tgenv ~/.zsh-tgenv
+```
+
+```
+source ~/.zsh-tfenv/zsh-tfenv.plugin.zsh
+```
+
+### License
+
+[MIT](LICENCE)