Add options from arch wiki

dotfiles/zsh/zshrc

@@ -1,13 +1,92 @@
 # ~/.zshrc
+#
+
+# ALIASES
+[[ ! -f ~/.zsh_aliases ]] || source ~/.zsh_aliases
+
+
+# On Arch Linux, source pkgfile "command not found" hook
+if [ -e /usr/share/doc/pkgfile/command-not-found.zsh ]; then
+    source /usr/share/doc/pkgfile/command-not-found.zsh
+fi
+
+
+# COMPLETION
+autoload -Uz compinit
+compinit
+zstyle ':completion:*' menu select
+setopt COMPLETE_ALIASES
+
+
+# ENFORCE VI MODE
+bindkey -v
+
+
+# KEY BINDINGS
+# create a zkbd compatible hash;
+# to add other keys to this hash, see: man 5 terminfo
+typeset -g -A key
+
+key[Home]="${terminfo[khome]}"
+key[End]="${terminfo[kend]}"
+key[Insert]="${terminfo[kich1]}"
+key[Backspace]="${terminfo[kbs]}"
+key[Delete]="${terminfo[kdch1]}"
+key[Up]="${terminfo[kcuu1]}"
+key[Down]="${terminfo[kcud1]}"
+key[Left]="${terminfo[kcub1]}"
+key[Right]="${terminfo[kcuf1]}"
+key[PageUp]="${terminfo[kpp]}"
+key[PageDown]="${terminfo[knp]}"
+key[Shift-Tab]="${terminfo[kcbt]}"
+
+# setup key accordingly
+[[ -n "${key[Home]}"      ]] && bindkey -- "${key[Home]}"      beginning-of-line
+[[ -n "${key[End]}"       ]] && bindkey -- "${key[End]}"       end-of-line
+[[ -n "${key[Insert]}"    ]] && bindkey -- "${key[Insert]}"    overwrite-mode
+[[ -n "${key[Backspace]}" ]] && bindkey -- "${key[Backspace]}" backward-delete-char
+[[ -n "${key[Delete]}"    ]] && bindkey -- "${key[Delete]}"    delete-char
+[[ -n "${key[Up]}"        ]] && bindkey -- "${key[Up]}"        up-line-or-history
+[[ -n "${key[Down]}"      ]] && bindkey -- "${key[Down]}"      down-line-or-history
+[[ -n "${key[Left]}"      ]] && bindkey -- "${key[Left]}"      backward-char
+[[ -n "${key[Right]}"     ]] && bindkey -- "${key[Right]}"     forward-char
+[[ -n "${key[PageUp]}"    ]] && bindkey -- "${key[PageUp]}"    beginning-of-buffer-or-history
+[[ -n "${key[PageDown]}"  ]] && bindkey -- "${key[PageDown]}"  end-of-buffer-or-history
+[[ -n "${key[Shift-Tab]}" ]] && bindkey -- "${key[Shift-Tab]}" reverse-menu-complete
+
+# Finally, make sure the terminal is in application mode, when zle is
+# active. Only then are the values from $terminfo valid.
+if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
+	autoload -Uz add-zle-hook-widget
+	function zle_application_mode_start { echoti smkx }
+	function zle_application_mode_stop { echoti rmkx }
+	add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
+	add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
+fi
+
+
+# HISTORY SEARCH
+autoload -Uz up-line-or-beginning-search down-line-or-beginning-search
+zle -N up-line-or-beginning-search
+zle -N down-line-or-beginning-search
+
+[[ -n "${key[Up]}"   ]] && bindkey -- "${key[Up]}"   up-line-or-beginning-search
+[[ -n "${key[Down]}" ]] && bindkey -- "${key[Down]}" down-line-or-beginning-search
+
+
+# HELP COMMAND
+autoload -Uz run-help
+unalias run-help
+alias help=run-help
+
 
 # PROMPT
 source /usr/share/zsh-theme-powerlevel10k/powerlevel10k.zsh-theme
 # To customize prompt, run `p10k configure` or edit ~/.p10k.zsh.
 [[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh
 
-# ALIASES
-[[ ! -f ~/.zsh_aliases ]] || source ~/.zsh_aliases
 
-# SYNTAX HIGHLIGHTING
+# SYNTAX HIGHLIGHTING AND AUTOSUGGESTIONS
+source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
 # The following line MUST be at the end of this file!
 source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh