Add Xmodmap config

This sets the right Alt key to be the chosen X compose key, and loads it
on startup. (and sets GTK_IM_MODULE to enable its use in GTK apps)

src/.Xmodmap

@@ -0,0 +1 @@
+keycode 108 = Multi_key NoSymbol Multi_key

src/.bash_profile

@@ -17,6 +17,9 @@ export XDG_DATA_HOME="$HOME/.local/share"
 export XDG_STATE_HOME="$HOME/.local/state"
 export XDG_RUNTIME_DIR="/run/user/$UID"
 
+# x settings
+export GTK_IM_MODULE="xim"  # use x input method for GTK apps
+
 # Default editor
 hash vim >/dev/null 2>&1 && export EDITOR='vim' VISUAL='vim'
 

src/.bashrc

@@ -9,6 +9,9 @@ if [ -f /etc/bashrc ]; then
 	. /etc/bashrc
 fi
 
+# source x mod map (if any)
+[ -f ~/.Xmodmap ] && xmodmap ~/.Xmodmap
+
 
 ### shell options
 # set shell options