Update docs and readme

README.md

@@ -38,6 +38,8 @@ To see more screenshots of micro, showcasing all of the default colorschemes, se
 * Colorscheme support
     * By default, micro comes with 16, 256, and true color themes.
 * True color support (set the `MICRO_TRUECOLOR` env variable to 1 to enable it)
+* Snippets
+    * The snippet plugin can be installed with `> plugin install snippets`
 * Copy and paste with the system clipboard
 * Small and simple
 * Easily configurable

runtime/help/tutorial.md

@@ -6,6 +6,17 @@ and use `init.lua` to configure micro to your liking.
 
 Hopefully you'll find this useful.
 
+### Plugins
+
+Micro has a plugin manager which can automatically download plugins for you.
+To see the plugins 'official' plugins, go to github.com/micro-editor/plugin-channel.
+
+For example, if you'd like to install the snippets plugin (listed in that repo),
+just press `CtrlE` to execute a command, and type `plugin install snippets`.
+
+For more information about the plugin manager, see the end of the `plugins` help
+topic.
+
 ### Settings
 
 In micro, your settings are stored in `~/.config/micro/settings.json`, a file