add .dockerignore, add Dockerfile, add default.nix, udpate README.md, move packages into respective category(dev/production)

README.md

@@ -1,13 +1,32 @@
 # SlowDowner
 music web player with slowdown option
 
+## System Dependendies
+### Ubuntu/Debian (apt)
+TODO
+
+### NixOS
+If you have the nix package manager or are running NixOS you can install all dependencies with 
+``` nix-shell ``` 
+(This will try to start zsh in the end. Comment the line out if you use bash)
 
 ## Dependencies
 ### Yarn
 This project uses Yarn as package manager, to install all needed dependencies run
-``` yarn ```
+``` yarn install ```
 in the project directory
 
+### Building
+To build the static files run
+```yarn run build```
+this will create the folder ```dist``` with all static files.
+then you can run 
+```yarn run start```
+to run the server locally 
+or use the provided Dockerfile to create a dockerimage like this
+```docker build -t slowdowner:v3```
+for example
+
 ### Development
 to run the test server locally run
 ``` yarn run start ```