Add horizontal wheel workspace bindings

[gastonmira]

Summary

Adds default Hyprland bindings for horizontal mouse wheel events so mice with a horizontal scroll wheel can switch workspaces with the same modifier pattern Omarchy already uses for vertical wheel workspace navigation.

What changed

Omarchy already binds:

• Super + mouse_down to move to the next workspace
• Super + mouse_up to move to the previous workspace

This PR adds the matching horizontal wheel bindings:

• Super + mouse_right moves to the next workspace
• Super + mouse_left moves to the previous workspace

How to use it

On a mouse that emits horizontal wheel events, hold Super and use the horizontal scroll wheel:

• scroll right to move forward through workspaces
• scroll left to move backward through workspaces

This keeps plain horizontal scrolling available inside applications because the workspace action only triggers while Super is held.

Why

Some mice, such as Logitech MX Master-style devices, include a dedicated horizontal wheel. Hyprland supports these events as mouse_left and mouse_right, so this makes workspace navigation feel consistent across vertical and horizontal wheel input without adding any device-specific configuration.

Validation

• Tested locally by adding the equivalent bindings to ~/.config/hypr/bindings.conf
• Ran hyprctl reload and hyprctl configerrors with no config errors
• Verified Super + horizontal wheel left/right switches workspaces on a Logitech MX Master 3S-style mouse

[Copilot]

Pull request overview

Adds default Hyprland bindings for horizontal mouse wheel events so users with horizontal scroll wheels can switch workspaces using the same Super + wheel modifier pattern already used for vertical scrolling.

Changes:

• Add SUPER + mouse_right to focus the next workspace (e+1)
• Add SUPER + mouse_left to focus the previous workspace (e-1)

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