Add easier i3 container stacking and creation

mod+s to generate the next container with a vertical split, mod+S to
generate it with a horizontal split. Stacked container view has been
moved to mod+W (while tabbed remains mod+w). Faster resize options with
[r]HJKL have been added.

.config/i3/config

@@ -62,16 +62,16 @@ bindsym $mod+Shift+Up move up
 bindsym $mod+Shift+Right move right
 
 # split in horizontal orientation
-bindsym $mod+odiaeresis split h
+bindsym $mod+Shift+s split v
 
 # split in vertical orientation
-bindsym $mod+Shift+odiaeresis split v
+bindsym $mod+s split h
 
 # enter fullscreen mode for the focused container
 bindsym $mod+f fullscreen toggle
 
 # change container layout (stacked, tabbed, toggle split)
-bindsym $mod+s layout stacking
+bindsym $mod+Shift+w layout stacking
 bindsym $mod+w layout tabbed
 bindsym $mod+e layout toggle split
 
@@ -81,11 +81,9 @@ bindsym $mod+Shift+v floating toggle
 # change focus between tiling / floating windows
 bindsym $mod+v focus mode_toggle
 
-# focus the parent container
-bindsym $mod+a focus parent
-
-# focus the child container
-#bindsym $mod+d focus child
+# focus the parent/child container
+bindsym $mod+Shift+a focus parent
+bindsym $mod+a focus child
 
 # GAP MANAGEMENT
 # disable titles and borders, necessary for i3gaps to work apparently
@@ -146,9 +144,13 @@ mode "resize" {
         # Pressing up will shrink the window’s height.
         # Pressing down will grow the window’s height.
         bindsym h resize shrink width 10 px or 10 ppt
+        bindsym Shift+h resize shrink width 30 px or 30 ppt
         bindsym j resize grow height 10 px or 10 ppt
+        bindsym Shift+j resize grow height 30 px or 30 ppt
         bindsym k resize shrink height 10 px or 10 ppt
+        bindsym Shift+k resize shrink height 30 px or 30 ppt
         bindsym l resize grow width 10 px or 10 ppt
+        bindsym Shift+l resize grow width 30 px or 30 ppt
 
         # same bindings, but for the arrow keys
         bindsym Left resize shrink width 10 px or 10 ppt