Update docs

docs/setup/readme.md

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+# Hello from KuiToi Server
+
+## Start
+
+* Need **Python 3.10.x** to start!
+* After cloning use this:
+```bash
+$ python3 --version  # Python 3.10.6
+$ python3 main.py --help  # Show help message
+$ python3 main.py # Start server
+```
+
+## Setup
+
+* After starting server creating `kuitoi.yaml`; Default:
+```yaml
+!!python/object:modules.ConfigProvider.config_provider.Config
+Auth:
+  key: null
+  private: true
+Game:
+  map: gridmap_v2
+  max_cars: 1
+  players: 8
+Server:
+  debug: true
+  description: This server uses KuiToi!
+  name: KuiToi-Server
+  server_ip: 0.0.0.0
+  server_port: 30814
+```
+* Server can't start without BEAM Auth.key
+