refactor: migrate private domain to encrypted file and improve configuration

- Replace interactive prompt with encrypted domain.txt.age file
- Move encryption config to top level in .chezmoi.toml.tmpl
- Add platform-specific shell configuration for chezmoi cd command
- Remove unused Perl PATH configuration from commonrc
- Add commit-staged slash command for git workflow
- Enable nushell banner and improve init_pre.ts logging
- Clean up deprecated installation scripts (ovpn, gitconfig)
- Update hishtory server configuration to use encrypted domain

home/.chezmoitemplates/scripts/commonrc.sh.tmpl

@@ -11,7 +11,7 @@ export TERM=xterm-256color  # fixes terminal colors when ssh'ing into laptop
 export OPENAI_API_KEY="{{ dopplerProjectJson.OPENAI_CHATGPT_CLI }}"
 
 # hishtory
-export HISHTORY_SERVER="https://hsh.{{ .data.privateDomain }}"
+export HISHTORY_SERVER="https://hsh.{{ joinPath .chezmoi.sourceDir ".domain.age" | include | decrypt }}"
 export PATH="$PATH:$HOME/.hishtory"
 {{ if eq .shell "zsh" -}}
 source $HOME/.hishtory/config.zsh
@@ -83,15 +83,6 @@ case ":$PATH:" in
   *) export PATH="$PNPM_HOME:$PATH" ;;
 esac
 
-# perl
-if [ -d "$HOME/perl5" ]; then
-    PATH="$HOME/perl5/bin${PATH:+:${PATH}}"; export PATH;
-    PERL5LIB="$HOME/perl5/lib/perl5${PERL5LIB:+:${PERL5LIB}}"; export PERL5LIB;
-    PERL_LOCAL_LIB_ROOT="$HOME/perl5${PERL_LOCAL_LIB_ROOT:+:${PERL_LOCAL_LIB_ROOT}}"; export PERL_LOCAL_LIB_ROOT;
-    PERL_MB_OPT="--install_base \"$HOME/perl5\""; export PERL_MB_OPT;
-    PERL_MM_OPT="INSTALL_BASE=$HOME/perl5"; export PERL_MM_OPT;
-fi
-
 # spicetify
 if [ -d "$HOME/.spicetify" ]; then
     export PATH=$PATH:$HOME/.spicetify