Use single routing bin

bin/omakub

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+SUB=$(gum choose "Help" "Theme" "Font" "Install" | tr '[:upper:]' '[:lower:]')
+source $OMAKUB_PATH/bin/omakub-$SUB

bin/omakub-help

@@ -1,3 +1,4 @@
 #!/bin/bash
 
-batcat ~/.local/share/omakub/help/hotkeys.md
+HELP=$(gum choose "Hotkeys" "Commands" "Tactile" | tr '[:upper:]' '[:lower:]')
+batcat $OMAKUB_PATH/help/$HELP.md