Fix Home/End on Arch where $key is not auto setup

zshrc

@@ -131,8 +131,11 @@ bindkey -M vicmd '^V' edit-command-line
 
 # Enable HOME and END keys
 if [[ `uname` = Linux ]]; then
-  bindkey $key[Home] beginning-of-line
-  bindkey $key[End] end-of-line
+  # If Home and End are not working as expected setup zkbd mappings.
+  [ -f ~/.zkbd/$TERM-${${DISPLAY:t}:-$VENDOR-$OSTYPE} ] && \
+    source ~/.zkbd/$TERM-${${DISPLAY:t}:-$VENDOR-$OSTYPE}
+  [[ -n ${key[Home]} ]] && bindkey "${key[Home]}" beginning-of-line
+  [[ -n ${key[End]} ]] && bindkey "${key[End]}" end-of-line
 fi
 
 # Get the shells parent process name.