Add WSL Zsh config (zshrc, p10k) and plugin install script

run_once_install_wsl_plugins.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Only run on Linux
+if [ "$(uname)" != "Linux" ]; then
+    exit 0
+fi
+
+echo "Setting up Zsh environment..."
+
+# 1. Install Oh-My-Zsh (unattended)
+if [ ! -d "$HOME/.oh-my-zsh" ]; then
+    echo "Installing Oh-My-Zsh..."
+    sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
+fi
+
+# 2. Install Powerlevel10k
+if [ ! -d "$HOME/.oh-my-zsh/custom/themes/powerlevel10k" ]; then
+    echo "Installing Powerlevel10k..."
+    git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k
+fi
+
+# 3. Install Plugins
+PLUGIN_DIR="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins"
+
+install_plugin() {
+    NAME=$1
+    REPO=$2
+    if [ ! -d "$PLUGIN_DIR/$NAME" ]; then
+        echo "Installing $NAME..."
+        git clone $REPO "$PLUGIN_DIR/$NAME"
+    else
+        echo "$NAME already installed."
+    fi
+}
+
+install_plugin "zsh-autosuggestions" "https://github.com/zsh-users/zsh-autosuggestions"
+install_plugin "zsh-syntax-highlighting" "https://github.com/zsh-users/zsh-syntax-highlighting.git"
+install_plugin "zsh-history-substring-search" "https://github.com/zsh-users/zsh-history-substring-search"
+
+echo "Zsh setup complete!"