backend: separate App and server, add websocket endpoint, accept data directory command argument. initialize sqlalchemy database and models in new module. frontend: create backend class for managing ws connection, move ui to chat_screen, create scaffold chat and agent classes.

readme.md

@@ -2,9 +2,9 @@
 
 To run the Flask server, follow these steps:
 
-1. Build and activate the virtual environment and install the required dependencies:
+1. Build and activate the virtual environment, install the required dependencies, and build the gui by running make with the default target:
    ```bash
-   make install
+   make
    ```
 2. Run the server using the provided script:
    ```bash
@@ -17,3 +17,6 @@ Now, visit `http://127.0.0.1:5000` in your web browser to see the application in
 
 Frontend uses flutter. For Ubuntu you can use [this guideline](https://ubuntu.com/blog/getting-started-with-flutter-on-ubuntu) to install it.
 
+## Configuration
+
+You can set the backend URL for Android and native builds using the environment variable `BACKEND_URL`. Make sure to set this variable before running the application. Defaults to `null` if nothing is set.