Add installer script

installer.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+set -e
+
+BINARY_NAME="crib"
+GITHUB_URL="https://github.com/SyedM-dev/crib/releases/download/v0.0.1-alpha/crib-linux-x86_64"
+
+# 1️⃣ Check dependencies
+missing=()
+command -v ruby >/dev/null 2>&1 || missing+=("ruby")
+ldconfig -p | grep libmagic >/dev/null 2>&1 || missing+=("libmagic")
+
+if [ ${#missing[@]} -ne 0 ]; then
+  echo "Missing dependencies: ${missing[*]}"
+  echo "Install them using your package manager:"
+  echo "Ubuntu/Debian: sudo apt install ruby libmagic1"
+  echo "Arch: sudo pacman -S ruby file"
+  echo "Void: sudo xbps-install -Sy ruby file"
+  exit 1
+fi
+
+# 2️⃣ Ask installation path
+echo "Install locally (~/.local/bin) or globally (/usr/bin)? [l/g]"
+read -r choice
+case "$choice" in
+l | L) INSTALL_DIR="$HOME/.local/bin" ;;
+g | G) INSTALL_DIR="/usr/bin" ;;
+*)
+  echo "Invalid choice"
+  exit 1
+  ;;
+esac
+
+mkdir -p "$INSTALL_DIR"
+
+# 3️⃣ Download the binary
+echo "Downloading binary..."
+curl -L "$GITHUB_URL" -o "$INSTALL_DIR/$BINARY_NAME"
+chmod +x "$INSTALL_DIR/$BINARY_NAME"
+
+# 4️⃣ Optional: confirm
+echo "$BINARY_NAME installed to $INSTALL_DIR"
+echo "You can run it with: $BINARY_NAME"
+echo "Remember to add $INSTALL_DIR to PATH if not already."