Update documentation

README.md

@@ -5,7 +5,28 @@ Role to configure Sway window manager
 
 ## Variables
 
-This role have multiples variables for managing all configurations
+This role have multiples variables for managing all configurations, all
+variables are initalized to reproduce default configuration.
+
+There is no bar configured by this role because it is out of his scope. A futur
+role will be created for installing and configuring Waybar.
+
+### Packages
+
+`sway_packages` list packages to install.
+
+### variables
+
+`sway_variables` contains a list of variable needed for configuration files like
+`$term` or `$menu`
+
+```yaml
+sway_variables:
+ - name: '$term'
+   value: 'foot'
+ - name: '$menu' 
+   value: 'dmenu_path | dmenu | xargs swaymsg exec --'
+```
 
 ### output
 
@@ -126,9 +147,9 @@ sway_rules:
   # ...
 ```
 
-`sway_workspace` represent a list of workspaces defined by a *key* that represent the
+`sway_workspace` represent a list of workspaces defined by a *key* that
-keyboard key to press with `$mod` to access this workspace and a *value* that
+represent the keyboard key to press with `$mod` to access this workspace and a
-represent the workspace name.
+*value* that represent the workspace name.
 
 `sway_rules` reprensents the list of rules for managing windows :