📦 Add a basic install script

- Downloads Neovim if not found
- Detects and backs up existing config
- Installs Rootiest NeoVim config
- Starts NeoVim

install.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+
+# Function to display a message
+show_message() {
+  echo -e "\n=========================================================="
+  echo -e "$1"
+  echo -e "==========================================================\n"
+}
+
+# Function to prompt user with a yes/no question
+ask_question() {
+  while true; do
+    read -rp "$1 [y/n]: " yn
+    case $yn in
+    [Yy]*) return 0 ;;
+    [Nn]*) return 1 ;;
+    *) echo "Please answer yes or no." ;;
+    esac
+  done
+}
+
+# Welcome message
+show_message "Welcome to the Rootiest Neovim Installer"
+
+# Look for neovim executable
+if ! command -v nvim &>/dev/null; then
+  show_message "Neovim executable not found."
+  if ! ask_question "Would you like to install it now?"; then
+    show_message "Installation aborted by the user."
+  else
+    # Download neovim appimage
+    mkdir -p ~/AppImages
+    wget https://github.com/neovim/neovim/releases/latest/download/nvim.appimage ~/AppImages/nvim.appimage
+    chmod +x ~/AppImages/nvim.appimage
+    # Add neovim appimage to PATH
+    export PATH=\"\$HOME/AppImages:\$PATH
+    # Save neovim appimage to PATH in .bashrc
+    echo "export PATH=\"\$HOME/AppImages:\$PATH\"" >>~/.bashrc
+    # Save neovim appimage to PATH in .zshrc
+    echo "export PATH=\"\$HOME/AppImages:\$PATH\"" >>~/.zshrc
+    # Save neovim appimage to PATH in .config/fish/config.fish
+    echo "set PATH \$HOME/AppImages \$PATH" >>~/.config/fish/config.fish
+  fi
+fi
+
+# Initial prompt to proceed with installation
+if ! ask_question "Do you want to install the Rootiest Neovim configuration?"; then
+  show_message "Installation aborted by the user."
+  exit 1
+fi
+
+# Check if existing config is present and move to backup if confirmed
+if [ -d ~/.config/nvim ]; then
+  if ask_question "Existing Neovim configuration found. Do you want to backup and replace it?"; then
+    mv ~/.config/nvim ~/.config/nvim.bkp
+    show_message "Existing configuration has been backed up to ~/.config/nvim.bkp"
+  else
+    show_message "Operation aborted by the user."
+    exit 1
+  fi
+fi
+
+# Download rootiest neovim config
+if git clone https://github.com/rootiest/rootiest-nvim ~/.config/nvim; then
+  show_message "Rootiest Neovim configuration has been downloaded."
+else
+  show_message "Failed to download the configuration."
+  exit 1
+fi
+
+# Start neovim
+if ask_question "Do you want to start Neovim now?"; then
+  nvim
+else
+  show_message "Neovim installation has been completed."
+fi