restructure project with seperate app/ and notebooks/ sub directories

README.md

@@ -25,6 +25,6 @@ This project uses environment variables to secure sensitive information. Follow
    ```
 3. Build and start the museum analytics server with docker:
    ```Bash
-   cd ./museum_analytics
+   cd ./api
    docker build --network=host --no-cache -t museum-analytics-server .
    ```