create install.sh and update README

install.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Check stow is installed
+echo "Checking stow is installed"
+if [[ $(which stow 2>/dev/null) ]]; then
+  echo "stow is installed!"
+else
+  echo "stow is not installed, exiting…"
+  exit 1
+fi
+
+echo "Checking eza is installed"
+if [[ $(which eza 2>/dev/null) ]]; then
+  echo "eza is installed!"
+else
+  echo "eza is not installed, exiting…"
+  exit 1
+fi
+
+# Check the folder is deploy in $HOME
+echo "Check the folder is deploy in $HOME"
+path=$(dirname $(pwd))
+if [[ "$path" != "$HOME" ]]; then
+  echo "dotfiles folder must be cloned in your /\$HOME directory"
+  echo "exiting…"
+  exit 1
+fi
+echo "dotfiles folder is in the right place"
+
+echo "Stowing dotfiles..."
+for folder in $(eza -D)
+do
+  stow "$folder"
+done
+echo "done!"