message: added troubleshooting steps to the readme
diff: @@ -7,12 +7,12 @@ This is a plugin for [Homebridge](https://github.com/nfarina/homebridge). This i
  This plugin allows you to monitor, backup and configure your Homebridge server from a browser.
  -![Status](screenshots/homebridge-config-ui-x-accessories.png)
  +[![Status](screenshots/homebridge-config-ui-x-accessories.png)](#accessory-control)
  ## Installation Instructions
  ```
  -npm install -g --unsafe-perm homebridge-config-ui-x
  +sudo npm install -g --unsafe-perm homebridge-config-ui-x
  ```
  # Configuration
  @@ -175,7 +175,28 @@ The following browsers are supported by this plugin:
  * Safari >= 10
  * Chrome >= 55 (including Opera)
  +* FireFox >= 58
  * MS Edge >= 13 on the desktop
  * iOS >=10 and Chrome on mobile
  MS Internet Explorer (any version) is not supported!
  +
  +# Troubleshooting
  +
  +#### 1. Errors during installation
  +
  +Make sure you installed the package with `sudo` and used the `--unsafe-perm` flag. Most installation errors can be fixed by removing the plugin and reinstalling:
  +
  +```shell
  +# cleanup
  +sudo npm uninstall -g homebridge-config-ui-x
  +
  +# reinstall
  +sudo npm install -g --unsafe-perm homebridge-config-ui-x
  +```
  +
  +#### 2. Ask on Slack
  +
  +[![Slack Status](https://slackin-znyruquwmv.now.sh/badge.svg)](https://slackin-znyruquwmv.now.sh)
  +
  +Join the [Homebridge Slack](https://slackin-znyruquwmv.now.sh/) chat and ask in the [#ui](https://homebridgeteam.slack.com/messages/C9NH0CUTY) channel.
  \ No newline at end of file
  