refactor: use ZSH_CUSTOM from .zshenv

arty.yml

@@ -46,13 +46,13 @@ references:
   - url: https://github.com/ohmyzsh/ohmyzsh.git
     into: .oh-my-zsh
   - url: https://github.com/romkatv/powerlevel10k.git
-    into: .oh-my-zsh/custom/themes/powerlevel10k
+    into: .zsh/themes/powerlevel10k
   - url: https://github.com/marlonrichert/zsh-autocomplete.git
-    into: .oh-my-zsh/custom/plugins/zsh-autocomplete
+    into: .zsh/plugins/zsh-autocomplete
   - url: https://github.com/zsh-users/zsh-autosuggestions.git
-    into: .oh-my-zsh/custom/plugins/zsh-autosuggestions
+    into: .zsh/plugins/zsh-autosuggestions
   - url: https://github.com/zsh-users/zsh-syntax-highlighting.git
-    into: .oh-my-zsh/custom/plugins/zsh-syntax-highlighting
+    into: .zsh/plugins/zsh-syntax-highlighting
 scripts:
   debian/update: sudo sed -i 's/main non-free-firmware/main contrib non-free non-free-firmware/g' /etc/apt/sources.list && sudo apt update
   debian/install: sudo apt install curl wget zsh fzf davfs2 make imagemagick rsvg-convert ffmpeg yt-dlp pkg-config zstd libffi-dev zlib1g-dev libyaml-dev libssl-dev liblzma-dev libbz2-dev libncurses-dev libreadline-dev libsqlite3-dev python3-tk tk-dev unzip zip