added guides for calla

Author: Byson94

src/content/docs/guides/calla.md

@@ -0,0 +1,66 @@
+---
+title: Sleex
+description: The second desktop environement for AxOS.
+---
+
+Calla (based on awesomewm) is the second desktop environment for AxOS made by [Stardust-kyun](https://github.com/Stardust-kyun). It is one of the most minimal and lightweight desktop environment that AxOS provides. It is generally less stable than Kde Plasma.
+
+## Installation
+
+You can install Calla by running the following command:
+
+```bash
+epsi i calla
+```
+
+## Keybindings
+
+### Essentials
+
+- `Super + F1` — Show help
+- `Super + Space` — Show menu
+- `Super + D` — Show application launcher
+- `Super + Q` — Close application
+- `Super + Enter` — Open terminal
+- `Super + L` — Lock screen
+- `Super + E` — Open file manager
+- `Super + W` — Open firefox
+
+### Window Management
+
+- `Super + Shift + R` — Reload awesomewm
+- `Super + Shift + C` — Show configuration
+- `Super + Z` — Move to the next layout
+- `Super + Tab` — Move to the next window
+- `Super + Shift +  Tab` — Move to the previous window
+
+### Window behaviour
+
+- `Super + B` — Toggle sticky
+- `Super + M` — Toggle Maximize
+- `Super + N` — Toggle Minimize
+- `Super + S` — Toggle floating
+- `Super + F` — Toggle full screen
+
+### Screenshots
+
+- `Super + Shift + Print` — Take full screen screenshot
+- `Super + Ctrl + Print` — Take full screen screenshot with delay (5 secs)
+- `Super + Print` — Take part screenshot
+
+### Volume and Brightness
+
+> <p style="color: cyan; font-weight: bold;">NOTE</p>
+>
+> The following keybindings can be different on each keyboard.
+> For example XF86AudioRaiseVolume can be f8 on some keyboards.
+
+- `Super + XF86AudioRaiseVolume` — Raise volume
+- `Super + XF86AudioLowerVolume` — Lower volume
+- `Super + XF86AudioMute` — Mute volume
+- `Super + XF86MonBrightnessUp` — Raise brightness
+- `Super + XF86MonBrightnessDown` — Lower brightness
+
+## Customizing
+
+You can customize calla keybindings by editing the `/usr/share/calla/desktop/config/bind.lua` file.