fix(setup): avoid yarn install prompt

Author: RembrandtK

.devcontainer/setup.sh

@@ -3,14 +3,18 @@ set -e
 
 cd "$(dirname "$0")/.."
 
-echo "Installing packages..."
-corepack enable
-
-curl -L https://foundry.paradigm.xyz | bash
-
 # Dynamically determine the home directory of the current user
 USER_HOME=$(eval echo ~"$USER")
 
-# Source the user's .bashrc and run foundryup
+# Install Foundry
+curl -L https://foundry.paradigm.xyz | bash
 # source "$USER_HOME/.bashrc"
 "$USER_HOME/.foundry/bin/foundryup"
+
+# Install yarn, dependencies, and build the project
+corepack enable
+
+# Avoid yarn generating a prompt for corepack to install yarn
+corepack prepare [email protected] --activate
+
+yarn