Updated Getting started (markdown)

Getting-started.md

@@ -1,3 +1,28 @@
+Pypr consists in two things:
+
+- **a tool**: `pypr`
+- **some config file**: `~/.config/hypr/pyprland.json`
+
+The `pypr` tool only have two built-in commands:
+
+- `reload` reads the configuration file and attempt to apply the changes
+- `--help` lists available commands (including plugins commands)
+
+Other commands are added by adding plugins.
+
+The config file uses the following syntax:
+
+```json
+{
+  "pyprland": {
+    "plugins": ["plugin_name"]
+  },
+  "plugin_name": {
+    "plugin_option": 42
+  }
+}
+```
+
 ## Installation
 
 Use the python package manager: