Add zsh flake

nix/wrapZsh.nix

@@ -0,0 +1,62 @@
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  conf = import ./config.nix {inherit pkgs lib;};
+in
+  pkgs.symlinkJoin {
+    name = "zsh";
+    paths = [pkgs.zsh];
+    buildInputs = [pkgs.makeWrapper];
+    postBuild = ''
+      # When it comes to zsh options, I'm probably missing some important ones,
+      # if you know of any that I should add please make an issue for me, thank you.
+      # The sh comment before the multiline is for syntax highlighting in neovim.
+      mkdir -p $out/etc/zsh
+      cp ${pkgs.writeText "zshrc" #sh
+        
+        ''
+          # Auto suggestions
+          ${
+            if conf.autoSuggestions
+            then ''
+              source ${pkgs.zsh-autosuggestions}/share/zsh-autosuggestions/zsh-autosuggestions.zsh
+              ZSH_AUTOSUGGEST_STRATEGY=(history)
+            ''
+            else ""
+          }
+
+          # History configuration
+          HISTFILE="$HOME/.zsh_history"
+          HISTSIZE=10000
+          SAVEHIST=10000
+          setopt AUTO_CD
+          setopt AUTO_PUSHD
+          setopt PUSHD_IGNORE_DUPS
+          setopt EXTENDED_HISTORY
+          setopt SHARE_HISTORY
+          setopt HIST_EXPIRE_DUPS_FIRST
+          setopt HIST_IGNORE_DUPS
+          setopt HIST_IGNORE_SPACE
+          setopt HIST_VERIFY
+          setopt INTERACTIVE_COMMENTS
+
+          # Basic autocompletion
+          autoload -Uz compinit
+          compinit
+
+          # Plugins import
+          ${lib.concatMapStrings (plugin: ''
+              if [[ -f "${plugin}" ]]; then
+                source "${plugin}"
+              fi
+            '')
+            conf.plugins}
+              ${conf.extraZshrc}
+        ''} $out/etc/zsh/.zshrc
+
+      wrapProgram $out/bin/zsh \
+        --set ZDOTDIR "$out/etc/zsh" \
+    '';
+  }