Initial zsh setup

modules/zsh/completion.zsh

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+# completion types
+zstyle ':completion:*' completer _extensions _complete
+
+# jump directly to first completion
+zstyle ':completion:::::default' menu yes select
+
+# matching
+zstyle ':completion:*' matcher-list '' 'm:{a-zA-Z}={A-Za-z}' 'r:|[.+-]=* r:|=*' 'l:|=* r:|=*'
+
+# allow highlight/menu move in completions
+zstyle ':completion:*' menu select
+
+# styles
+zstyle ':completion:*:*:*:*:descriptions' format '%F{green}// %d%f'
+zstyle ':completion:*:*:*:*:corrections' format '%F{yellow}// %d%f'
+zstyle ':completion:*:messages' format '%F{purple}// %d%f'
+zstyle ':completion:*:warnings' format '%F{red}// no completions availible%f'
+
+# group results under headers
+zstyle ':completion:*' group-name ''
+zstyle ':completion:*:*:-command-:*:*' group-order alias builtins functions commands
+
+# file colors
+zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
+
+# use --help completions when availible
+compdef _gnu_generic -default- -P '*'