Dependencies guide

README.md

@@ -46,7 +46,24 @@ Jellyfin Web is the frontend used for most of the clients available for end user
 
 - [Node.js](https://nodejs.org/en/download)
 - [Yarn 1.22.4](https://classic.yarnpkg.com/en/docs/install)
-- Gulp-cli
+
+#### Debian Dependencies
+
+1. Install Node.js
+
+```sh
+curl -sL https://deb.nodesource.com/setup_12.x -o nodesource_setup.sh
+sudo bash nodesource_setup.sh
+sudo apt install nodejs
+```
+
+2. Install Yarn
+
+ ```sh
+curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
+echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+sudo apt update && sudo apt install yarn
+```
 
 ### Getting Started