How to run the project with your own OPENAI_API_Key

[jravenel]

Add in readme the process.

[smithGit]

In the github root folder, create a file .env that has the following contents.
The Python app uses the DotEnv service to access.
(comment) # 2025-07-31 re-creating the .env file for ChatGPT API Key

OPENAI_API_KEY="sk-ms5_exKyoeytkS0XisVzySUfD1J_odprZ*** --key-- ***ubSDu39yYTxL7I3E9eEqM_JiGbFcboA"