fix: chmod +x and install prerequisites

codespaces_start_hackingbuddygpt_against_a_container.sh

@@ -13,6 +13,13 @@ set -x # Print each command before executing it (useful for debugging)
 
 echo "Start hackingBuddyGPT against a container..."
 
+# setup virtual python environment
+$ python -m venv venv
+$ source ./venv/bin/activate
+
+# install python requirements
+$ pip install -e .
+
 echo "Enter your OpenAI API key:"
 read OPENAI_API_KEY