add a basic readme

Author: KollPotato

README.md

@@ -0,0 +1,32 @@
+# ddnet-web
+
+## Cloning
+
+To clone this repository with full history (~350 MiB):
+
+```bash
+git clone https://github.com/ddnet/ddnet-web
+```
+
+## Dependencies
+
+The website uses [Ruby](https://www.ruby-lang.org) with [Jekyll](https://jekyllrb.com) static site generator.
+
+Follow the official installation guide for Ruby [here](https://www.ruby-lang.org/en/documentation/installation).
+
+After that, install Jekyll:
+
+```
+gem install bundler jekyll
+```
+
+Navigate to the directory and start the local server:
+
+```
+cd www
+jekyll serve
+```
+
+By default, the website will be served on http://127.0.0.1:4000.
+
+Note: Many pages will not work locally because they require PHP or must be built using specific scripts from the [ddnet-scripts](https://github.com/ddnet/ddnet-scripts) repository.