Add install script

scripts/development/common.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -e
+
+function run_command {
+  title=$1
+  command=$2
+
+  echo -e "\e[32m$title\e[0m"
+  echo -e "\e[33mExecuting: \e[0m$command"
+  $command
+}

scripts/development/install.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+
+. $(dirname "$0")/common.sh
+
+run_command "Install Composer dependencies" "symfony composer install"
+
+cd web
+
+run_command "Install Drupal" "symfony php ../vendor/bin/drush site-install -y --existing-config"